// Alternatively, you can license this library under a commercial
// license, as set out in <http://cesanta.com/>.
+#ifdef NOEMBED_NET_SKELETON
+#include "net_skeleton.h"
+#else
+// net_skeleton start
+
+// Copyright (c) 2014 Cesanta Software Limited
+// All rights reserved
+//
+// This library is dual-licensed: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation. For the terms of this
+// license, see <http://www.gnu.org/licenses/>.
+//
+// You are free to use this library under the terms of the GNU General
+// Public License, but WITHOUT ANY WARRANTY; without even the implied
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// Alternatively, you can license this library under a commercial
+// license, as set out in <http://cesanta.com/>.
+
+#ifndef NS_SKELETON_HEADER_INCLUDED
+#define NS_SKELETON_HEADER_INCLUDED
+
+#define NS_SKELETON_VERSION "1.0"
+
#undef UNICODE // Use ANSI WinAPI functions
#undef _UNICODE // Use multibyte encoding on Windows
#define _MBCS // Use multibyte encoding on Windows
#include <sys/types.h>
#include <sys/stat.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <fcntl.h>
-#include <assert.h>
-#include <errno.h>
#include <time.h>
-#include <ctype.h>
-#include <stdarg.h>
+#include <signal.h>
#ifdef _WIN32
+#pragma comment(lib, "ws2_32.lib") // Linking with winsock library
#include <windows.h>
-#include <process.h> // For _beginthread
-#include <io.h> // For _lseeki64
-#include <direct.h> // For _mkdir
-typedef int socklen_t;
-#if !defined(__MINGW32__) || !defined(_PID_T_) || defined(_NO_OLDNAMES)
-typedef HANDLE pid_t;
-#endif
-typedef SOCKET sock_t;
-typedef unsigned char uint8_t;
-typedef unsigned int uint32_t;
-typedef unsigned short uint16_t;
-typedef unsigned __int64 uint64_t;
-typedef __int64 int64_t;
-typedef CRITICAL_SECTION mutex_t;
-typedef struct _stati64 file_stat_t;
-#pragma comment(lib, "ws2_32.lib")
-#define snprintf _snprintf
-#define vsnprintf _vsnprintf
-#define INT64_FMT "I64d"
+#include <process.h>
#ifndef EINPROGRESS
#define EINPROGRESS WSAEINPROGRESS
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK WSAEWOULDBLOCK
#endif
-#define mutex_init(x) InitializeCriticalSection(x)
-#define mutex_destroy(x) DeleteCriticalSection(x)
-#define mutex_lock(x) EnterCriticalSection(x)
-#define mutex_unlock(x) LeaveCriticalSection(x)
-#define get_thread_id() ((unsigned long) GetCurrentThreadId())
-#ifndef S_ISDIR
-#define S_ISDIR(x) ((x) & _S_IFDIR)
-#endif
-#define sleep(x) Sleep((x) * 1000)
-#define stat(x, y) mg_stat((x), (y))
-#define fopen(x, y) mg_fopen((x), (y))
-#define open(x, y) mg_open((x), (y))
-#define lseek(x, y, z) _lseeki64((x), (y), (z))
-#define mkdir(x, y) _mkdir(x)
-#define to64(x) _atoi64(x)
-#define flockfile(x)
-#define funlockfile(x)
-#ifndef va_copy
-#define va_copy(x,y) x = y
-#endif // MINGW #defines va_copy
#ifndef __func__
#define STRX(x) #x
#define STR(x) STRX(x)
#define __func__ __FILE__ ":" STR(__LINE__)
#endif
+#ifndef va_copy
+#define va_copy(x,y) x = y
+#endif // MINGW #defines va_copy
+#define snprintf _snprintf
+#define vsnprintf _vsnprintf
+#define to64(x) _atoi64(x)
+typedef int socklen_t;
+typedef unsigned char uint8_t;
+typedef unsigned int uint32_t;
+typedef unsigned short uint16_t;
+typedef unsigned __int64 uint64_t;
+typedef __int64 int64_t;
+typedef SOCKET sock_t;
#else
-#include <dirent.h>
-#include <inttypes.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
#include <pthread.h>
-#include <pwd.h>
-#include <signal.h>
+#include <stdarg.h>
#include <unistd.h>
-#include <netdb.h>
-#include <arpa/inet.h> // For inet_pton() when MONGOOSE_USE_IPV6 is defined
+#include <arpa/inet.h> // For inet_pton() when NS_ENABLE_IPV6 is defined
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/select.h>
#define closesocket(x) close(x)
-typedef int sock_t;
-typedef pthread_mutex_t mutex_t;
-typedef struct stat file_stat_t;
-#define mutex_init(x) pthread_mutex_init(x, NULL)
-#define mutex_destroy(x) pthread_mutex_destroy(x)
-#define mutex_lock(x) pthread_mutex_lock(x)
-#define mutex_unlock(x) pthread_mutex_unlock(x)
-#define get_thread_id() ((unsigned long) pthread_self())
-#define INVALID_SOCKET ((sock_t) -1)
-#define INT64_FMT PRId64
-#define to64(x) strtoll(x, NULL, 10)
#define __cdecl
-#define O_BINARY 0
+#define INVALID_SOCKET (-1)
+#define to64(x) strtoll(x, NULL, 10)
+typedef int sock_t;
+#endif
+
+#ifdef NS_ENABLE_DEBUG
+#define DBG(x) do { printf("%-20s ", __func__); printf x; putchar('\n'); \
+ fflush(stdout); } while(0)
+#else
+#define DBG(x)
#endif
-#ifdef MONGOOSE_USE_SSL
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
+
+#ifdef NS_ENABLE_SSL
#ifdef __APPLE__
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#include <openssl/ssl.h>
+#else
+typedef void *SSL;
+typedef void *SSL_CTX;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+union socket_address {
+ struct sockaddr sa;
+ struct sockaddr_in sin;
+#ifdef NS_ENABLE_IPV6
+ struct sockaddr_in6 sin6;
+#endif
+};
+
+struct iobuf {
+ char *buf;
+ int len;
+ int size;
+};
+
+void iobuf_init(struct iobuf *, int initial_size);
+void iobuf_free(struct iobuf *);
+int iobuf_append(struct iobuf *, const void *data, int data_size);
+void iobuf_remove(struct iobuf *, int data_size);
+
+struct ns_connection;
+enum ns_event { NS_POLL, NS_ACCEPT, NS_CONNECT, NS_RECV, NS_SEND, NS_CLOSE };
+typedef void (*ns_callback_t)(struct ns_connection *, enum ns_event, void *);
+
+struct ns_server {
+ void *server_data;
+ union socket_address listening_sa;
+ sock_t listening_sock;
+ struct ns_connection *active_connections;
+ ns_callback_t callback;
+ SSL_CTX *ssl_ctx;
+ SSL_CTX *client_ssl_ctx;
+ sock_t ctl[2];
+};
+
+struct ns_connection {
+ struct ns_connection *prev, *next;
+ struct ns_server *server;
+ void *connection_data;
+ time_t last_io_time;
+ sock_t sock;
+ struct iobuf recv_iobuf;
+ struct iobuf send_iobuf;
+ SSL *ssl;
+ unsigned int flags;
+#define NSF_FINISHED_SENDING_DATA (1 << 0)
+#define NSF_BUFFER_BUT_DONT_SEND (1 << 1)
+#define NSF_SSL_HANDSHAKE_DONE (1 << 2)
+#define NSF_CONNECTING (1 << 3)
+#define NSF_CLOSE_IMMEDIATELY (1 << 4)
+#define NSF_ACCEPTED (1 << 5)
+#define NSF_USER_1 (1 << 6)
+#define NSF_USER_2 (1 << 7)
+#define NSF_USER_3 (1 << 8)
+#define NSF_USER_4 (1 << 9)
+};
+
+void ns_server_init(struct ns_server *, void *server_data, ns_callback_t);
+void ns_server_free(struct ns_server *);
+int ns_server_poll(struct ns_server *, int milli);
+void ns_server_wakeup(struct ns_server *);
+void ns_iterate(struct ns_server *, ns_callback_t cb, void *param);
+struct ns_connection *ns_add_sock(struct ns_server *, sock_t sock, void *p);
+
+int ns_bind(struct ns_server *, const char *addr);
+int ns_set_ssl_cert(struct ns_server *, const char *ssl_cert);
+struct ns_connection *ns_connect(struct ns_server *, const char *host,
+ int port, int ssl, void *connection_param);
+
+int ns_send(struct ns_connection *, const void *buf, int len);
+int ns_printf(struct ns_connection *, const char *fmt, ...);
+int ns_vprintf(struct ns_connection *, const char *fmt, va_list ap);
+
+// Utility functions
+void *ns_start_thread(void *(*f)(void *), void *p);
+int ns_socketpair(sock_t [2]);
+void ns_set_close_on_exec(sock_t);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // NS_SKELETON_HEADER_INCLUDED
+// Copyright (c) 2014 Cesanta Software Limited
+// All rights reserved
+//
+// This library is dual-licensed: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation. For the terms of this
+// license, see <http://www.gnu.org/licenses/>.
+//
+// You are free to use this library under the terms of the GNU General
+// Public License, but WITHOUT ANY WARRANTY; without even the implied
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// Alternatively, you can license this library under a commercial
+// license, as set out in <http://cesanta.com/>.
+
+
+#ifndef NS_MALLOC
+#define NS_MALLOC malloc
+#endif
+
+#ifndef NS_REALLOC
+#define NS_REALLOC realloc
+#endif
+
+#ifndef NS_FREE
+#define NS_FREE free
+#endif
+
+#ifndef IOBUF_RESIZE_MULTIPLIER
+#define IOBUF_RESIZE_MULTIPLIER 2.0
+#endif
+
+void iobuf_init(struct iobuf *iobuf, int size) {
+ iobuf->len = iobuf->size = 0;
+ iobuf->buf = NULL;
+
+ if (size > 0 && (iobuf->buf = (char *) NS_MALLOC(size)) != NULL) {
+ iobuf->size = size;
+ }
+}
+
+void iobuf_free(struct iobuf *iobuf) {
+ if (iobuf != NULL) {
+ if (iobuf->buf != NULL) NS_FREE(iobuf->buf);
+ iobuf_init(iobuf, 0);
+ }
+}
+
+int iobuf_append(struct iobuf *io, const void *buf, int len) {
+ static const double mult = IOBUF_RESIZE_MULTIPLIER;
+ char *p = NULL;
+ int new_len = 0;
+
+ assert(io->len >= 0);
+ assert(io->len <= io->size);
+
+ if (len <= 0) {
+ } else if ((new_len = io->len + len) < io->size) {
+ memcpy(io->buf + io->len, buf, len);
+ io->len = new_len;
+ } else if ((p = (char *)
+ NS_REALLOC(io->buf, (int) (new_len * mult))) != NULL) {
+ io->buf = p;
+ memcpy(io->buf + io->len, buf, len);
+ io->len = new_len;
+ io->size = (int) (new_len * mult);
+ } else {
+ len = 0;
+ }
+
+ return len;
+}
+
+void iobuf_remove(struct iobuf *io, int n) {
+ if (n >= 0 && n <= io->len) {
+ memmove(io->buf, io->buf + n, io->len - n);
+ io->len -= n;
+ }
+}
+
+#ifndef NS_DISABLE_THREADS
+void *ns_start_thread(void *(*f)(void *), void *p) {
+#ifdef _WIN32
+ return (void *) _beginthread((void (__cdecl *)(void *)) f, 0, p);
+#else
+ pthread_t thread_id = (pthread_t) 0;
+ pthread_attr_t attr;
+
+ (void) pthread_attr_init(&attr);
+ (void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+
+#if NS_STACK_SIZE > 1
+ (void) pthread_attr_setstacksize(&attr, NS_STACK_SIZE);
+#endif
+
+ pthread_create(&thread_id, &attr, f, p);
+ pthread_attr_destroy(&attr);
+
+ return (void *) thread_id;
+#endif
+}
+#endif // NS_DISABLE_THREADS
+
+static void ns_add_conn(struct ns_server *server, struct ns_connection *c) {
+ c->next = server->active_connections;
+ server->active_connections = c;
+ c->prev = NULL;
+ if (c->next != NULL) c->next->prev = c;
+}
+
+static void ns_remove_conn(struct ns_connection *conn) {
+ if (conn->prev == NULL) conn->server->active_connections = conn->next;
+ if (conn->prev) conn->prev->next = conn->next;
+ if (conn->next) conn->next->prev = conn->prev;
+}
+
+// Print message to buffer. If buffer is large enough to hold the message,
+// return buffer. If buffer is to small, allocate large enough buffer on heap,
+// and return allocated buffer.
+static int ns_avprintf(char **buf, size_t size, const char *fmt, va_list ap) {
+ va_list ap_copy;
+ int len;
+
+ va_copy(ap_copy, ap);
+ len = vsnprintf(*buf, size, fmt, ap_copy);
+ va_end(ap_copy);
+
+ if (len < 0) {
+ // eCos and Windows are not standard-compliant and return -1 when
+ // the buffer is too small. Keep allocating larger buffers until we
+ // succeed or out of memory.
+ *buf = NULL;
+ while (len < 0) {
+ if (*buf) free(*buf);
+ size *= 2;
+ if ((*buf = (char *) NS_MALLOC(size)) == NULL) break;
+ va_copy(ap_copy, ap);
+ len = vsnprintf(*buf, size, fmt, ap_copy);
+ va_end(ap_copy);
+ }
+ } else if (len > (int) size) {
+ // Standard-compliant code path. Allocate a buffer that is large enough.
+ if ((*buf = (char *) NS_MALLOC(len + 1)) == NULL) {
+ len = -1;
+ } else {
+ va_copy(ap_copy, ap);
+ len = vsnprintf(*buf, len + 1, fmt, ap_copy);
+ va_end(ap_copy);
+ }
+ }
+
+ return len;
+}
+
+int ns_vprintf(struct ns_connection *conn, const char *fmt, va_list ap) {
+ char mem[2000], *buf = mem;
+ int len;
+
+ if ((len = ns_avprintf(&buf, sizeof(mem), fmt, ap)) > 0) {
+ iobuf_append(&conn->send_iobuf, buf, len);
+ }
+ if (buf != mem && buf != NULL) {
+ free(buf);
+ }
+
+ return len;
+}
+
+int ns_printf(struct ns_connection *conn, const char *fmt, ...) {
+ int len;
+ va_list ap;
+ va_start(ap, fmt);
+ len = ns_vprintf(conn, fmt, ap);
+ va_end(ap);
+ return len;
+}
+
+static void ns_call(struct ns_connection *conn, enum ns_event ev, void *p) {
+ if (conn->server->callback) conn->server->callback(conn, ev, p);
+}
+
+static void ns_close_conn(struct ns_connection *conn) {
+ DBG(("%p %d", conn, conn->flags));
+ ns_call(conn, NS_CLOSE, NULL);
+ ns_remove_conn(conn);
+ closesocket(conn->sock);
+ iobuf_free(&conn->recv_iobuf);
+ iobuf_free(&conn->send_iobuf);
+ NS_FREE(conn);
+}
+
+void ns_set_close_on_exec(sock_t sock) {
+#ifdef _WIN32
+ (void) SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);
+#else
+ fcntl(sock, F_SETFD, FD_CLOEXEC);
+#endif
+}
+
+static void ns_set_non_blocking_mode(sock_t sock) {
+#ifdef _WIN32
+ unsigned long on = 1;
+ ioctlsocket(sock, FIONBIO, &on);
+#else
+ int flags = fcntl(sock, F_GETFL, 0);
+ fcntl(sock, F_SETFL, flags | O_NONBLOCK);
#endif
+}
+
+#ifndef NS_DISABLE_SOCKETPAIR
+int ns_socketpair(sock_t sp[2]) {
+ struct sockaddr_in sa;
+ sock_t sock;
+ socklen_t len = sizeof(sa);
+ int ret = 0;
+
+ sp[0] = sp[1] = INVALID_SOCKET;
+
+ (void) memset(&sa, 0, sizeof(sa));
+ sa.sin_family = AF_INET;
+ sa.sin_port = htons(0);
+ sa.sin_addr.s_addr = htonl(0x7f000001);
+
+ if ((sock = socket(AF_INET, SOCK_STREAM, 0)) != INVALID_SOCKET &&
+ !bind(sock, (struct sockaddr *) &sa, len) &&
+ !listen(sock, 1) &&
+ !getsockname(sock, (struct sockaddr *) &sa, &len) &&
+ (sp[0] = socket(AF_INET, SOCK_STREAM, 6)) != -1 &&
+ !connect(sp[0], (struct sockaddr *) &sa, len) &&
+ (sp[1] = accept(sock,(struct sockaddr *) &sa, &len)) != INVALID_SOCKET) {
+ ns_set_close_on_exec(sp[0]);
+ ns_set_close_on_exec(sp[1]);
+ ret = 1;
+ } else {
+ if (sp[0] != INVALID_SOCKET) closesocket(sp[0]);
+ if (sp[1] != INVALID_SOCKET) closesocket(sp[1]);
+ sp[0] = sp[1] = INVALID_SOCKET;
+ }
+ closesocket(sock);
+
+ return ret;
+}
+#endif // NS_DISABLE_SOCKETPAIR
+
+// Valid listening port spec is: [ip_address:]port, e.g. "80", "127.0.0.1:3128"
+static int ns_parse_port_string(const char *str, union socket_address *sa) {
+ unsigned int a, b, c, d, port;
+ int len = 0;
+#ifdef NS_ENABLE_IPV6
+ char buf[100];
+#endif
+
+ // MacOS needs that. If we do not zero it, subsequent bind() will fail.
+ // Also, all-zeroes in the socket address means binding to all addresses
+ // for both IPv4 and IPv6 (INADDR_ANY and IN6ADDR_ANY_INIT).
+ memset(sa, 0, sizeof(*sa));
+ sa->sin.sin_family = AF_INET;
+
+ if (sscanf(str, "%u.%u.%u.%u:%u%n", &a, &b, &c, &d, &port, &len) == 5) {
+ // Bind to a specific IPv4 address, e.g. 192.168.1.5:8080
+ sa->sin.sin_addr.s_addr = htonl((a << 24) | (b << 16) | (c << 8) | d);
+ sa->sin.sin_port = htons((uint16_t) port);
+#ifdef NS_ENABLE_IPV6
+ } else if (sscanf(str, "[%49[^]]]:%u%n", buf, &port, &len) == 2 &&
+ inet_pton(AF_INET6, buf, &sa->sin6.sin6_addr)) {
+ // IPv6 address, e.g. [3ffe:2a00:100:7031::1]:8080
+ sa->sin6.sin6_family = AF_INET6;
+ sa->sin6.sin6_port = htons((uint16_t) port);
+#endif
+ } else if (sscanf(str, "%u%n", &port, &len) == 1) {
+ // If only port is specified, bind to IPv4, INADDR_ANY
+ sa->sin.sin_port = htons((uint16_t) port);
+ } else {
+ port = 0; // Parsing failure. Make port invalid.
+ }
+
+ return port <= 0xffff && str[len] == '\0';
+}
+
+// 'sa' must be an initialized address to bind to
+static sock_t ns_open_listening_socket(union socket_address *sa) {
+ socklen_t len = sizeof(*sa);
+ sock_t on = 1, sock = INVALID_SOCKET;
+
+ if ((sock = socket(sa->sa.sa_family, SOCK_STREAM, 6)) != INVALID_SOCKET &&
+ !setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *) &on, sizeof(on)) &&
+ !bind(sock, &sa->sa, sa->sa.sa_family == AF_INET ?
+ sizeof(sa->sin) : sizeof(sa->sa)) &&
+ !listen(sock, SOMAXCONN)) {
+ ns_set_non_blocking_mode(sock);
+ // In case port was set to 0, get the real port number
+ (void) getsockname(sock, &sa->sa, &len);
+ } else if (sock != INVALID_SOCKET) {
+ closesocket(sock);
+ sock = INVALID_SOCKET;
+ }
+
+ return sock;
+}
+
+
+int ns_set_ssl_cert(struct ns_server *server, const char *cert) {
+#ifdef NS_ENABLE_SSL
+ if (cert != NULL &&
+ (server->ssl_ctx = SSL_CTX_new(SSLv23_server_method())) == NULL) {
+ return -1;
+ } else if (SSL_CTX_use_certificate_file(server->ssl_ctx, cert, 1) == 0 ||
+ SSL_CTX_use_PrivateKey_file(server->ssl_ctx, cert, 1) == 0) {
+ return -2;
+ } else {
+ SSL_CTX_use_certificate_chain_file(server->ssl_ctx, cert);
+ }
+ return 0;
+#else
+ return server != NULL && cert == NULL ? 0 : -3;
+#endif
+}
+
+int ns_bind(struct ns_server *server, const char *str) {
+ ns_parse_port_string(str, &server->listening_sa);
+ if (server->listening_sock != INVALID_SOCKET) {
+ closesocket(server->listening_sock);
+ }
+ server->listening_sock = ns_open_listening_socket(&server->listening_sa);
+ return server->listening_sock == INVALID_SOCKET ? -1 :
+ (int) ntohs(server->listening_sa.sin.sin_port);
+}
+
+
+static struct ns_connection *accept_conn(struct ns_server *server) {
+ struct ns_connection *c = NULL;
+ union socket_address sa;
+ socklen_t len = sizeof(sa);
+ sock_t sock = INVALID_SOCKET;
+
+ // NOTE(lsm): on Windows, sock is always > FD_SETSIZE
+ if ((sock = accept(server->listening_sock, &sa.sa, &len)) == INVALID_SOCKET) {
+ closesocket(sock);
+ } else if ((c = (struct ns_connection *) NS_MALLOC(sizeof(*c))) == NULL ||
+ memset(c, 0, sizeof(*c)) == NULL) {
+ closesocket(sock);
+#ifdef NS_ENABLE_SSL
+ } else if (server->ssl_ctx != NULL &&
+ ((c->ssl = SSL_new(server->ssl_ctx)) == NULL ||
+ SSL_set_fd(c->ssl, sock) != 1)) {
+ DBG(("SSL error"));
+ closesocket(sock);
+ free(c);
+ c = NULL;
+#endif
+ } else {
+ ns_set_close_on_exec(sock);
+ ns_set_non_blocking_mode(sock);
+ c->server = server;
+ c->sock = sock;
+ c->flags |= NSF_ACCEPTED;
+
+ ns_add_conn(server, c);
+ ns_call(c, NS_ACCEPT, &sa);
+ DBG(("%p %d %p %p", c, c->sock, c->ssl, server->ssl_ctx));
+ }
+
+ return c;
+}
+
+static int ns_is_error(int n) {
+ return n == 0 ||
+ (n < 0 && errno != EINTR && errno != EINPROGRESS &&
+ errno != EAGAIN && errno != EWOULDBLOCK
+#ifdef _WIN32
+ && WSAGetLastError() != WSAEINTR && WSAGetLastError() != WSAEWOULDBLOCK
+#endif
+ );
+}
+
+#ifdef NS_ENABLE_HEXDUMP
+static void ns_hexdump(const struct ns_connection *conn, const void *buf,
+ int len, const char *marker) {
+ const unsigned char *p = (const unsigned char *) buf;
+ char path[500], date[100], ascii[17];
+ FILE *fp;
+
+#if 0
+ if (!match_prefix(NS_ENABLE_HEXDUMP, strlen(NS_ENABLE_HEXDUMP),
+ conn->remote_ip)) {
+ return;
+ }
+
+ snprintf(path, sizeof(path), "%s.%hu.txt",
+ conn->mg_conn.remote_ip, conn->mg_conn.remote_port);
+#endif
+ snprintf(path, sizeof(path), "%p.txt", conn);
+
+ if ((fp = fopen(path, "a")) != NULL) {
+ time_t cur_time = time(NULL);
+ int i, idx;
+
+ strftime(date, sizeof(date), "%d/%b/%Y %H:%M:%S", localtime(&cur_time));
+ fprintf(fp, "%s %s %d bytes\n", marker, date, len);
+
+ for (i = 0; i < len; i++) {
+ idx = i % 16;
+ if (idx == 0) {
+ if (i > 0) fprintf(fp, " %s\n", ascii);
+ fprintf(fp, "%04x ", i);
+ }
+ fprintf(fp, " %02x", p[i]);
+ ascii[idx] = p[i] < 0x20 || p[i] > 0x7e ? '.' : p[i];
+ ascii[idx + 1] = '\0';
+ }
+
+ while (i++ % 16) fprintf(fp, "%s", " ");
+ fprintf(fp, " %s\n\n", ascii);
+
+ fclose(fp);
+ }
+}
+#endif
+
+static void ns_read_from_socket(struct ns_connection *conn) {
+ char buf[2048];
+ int n = 0;
+
+ if (conn->flags & NSF_CONNECTING) {
+ int ok = 1, ret;
+ socklen_t len = sizeof(ok);
+
+ ret = getsockopt(conn->sock, SOL_SOCKET, SO_ERROR, (char *) &ok, &len);
+ (void) ret;
+#ifdef NS_ENABLE_SSL
+ if (ret == 0 && ok == 0 && conn->ssl != NULL) {
+ int res = SSL_connect(conn->ssl);
+ int ssl_err = SSL_get_error(conn->ssl, res);
+ DBG(("%p SSL_connect %d %d", conn, res, ssl_err));
+ if (res == 1) {
+ conn->flags = NSF_SSL_HANDSHAKE_DONE;
+ } else if (ssl_err == 2 || ssl_err == 3) {
+ return; // Call us again
+ } else {
+ ok = 1;
+ }
+ }
+#endif
+ conn->flags &= ~NSF_CONNECTING;
+ DBG(("%p ok=%d", conn, ok));
+ if (ok != 0) {
+ conn->flags |= NSF_CLOSE_IMMEDIATELY;
+ }
+ ns_call(conn, NS_CONNECT, &ok);
+ return;
+ }
+
+#ifdef NS_ENABLE_SSL
+ if (conn->ssl != NULL) {
+ if (conn->flags & NSF_SSL_HANDSHAKE_DONE) {
+ n = SSL_read(conn->ssl, buf, sizeof(buf));
+ } else {
+ int res = SSL_accept(conn->ssl);
+ int ssl_err = SSL_get_error(conn->ssl, res);
+ DBG(("%p SSL_accept %d %d", conn, res, ssl_err));
+ if (res == 1) {
+ conn->flags |= NSF_SSL_HANDSHAKE_DONE;
+ } else if (ssl_err == 2 || ssl_err == 3) {
+ return; // Call us again
+ } else {
+ conn->flags |= NSF_CLOSE_IMMEDIATELY;
+ }
+ return;
+ }
+ } else
+#endif
+ {
+ n = recv(conn->sock, buf, sizeof(buf), 0);
+ }
+
+#ifdef NS_ENABLE_HEXDUMP
+ ns_hexdump(conn, buf, n, "<-");
+#endif
+
+ DBG(("%p <- %d bytes [%.*s%s]",
+ conn, n, n < 40 ? n : 40, buf, n < 40 ? "" : "..."));
+
+ if (ns_is_error(n)) {
+ conn->flags |= NSF_CLOSE_IMMEDIATELY;
+ } else if (n > 0) {
+ iobuf_append(&conn->recv_iobuf, buf, n);
+ ns_call(conn, NS_RECV, &n);
+ }
+}
+
+static void ns_write_to_socket(struct ns_connection *conn) {
+ struct iobuf *io = &conn->send_iobuf;
+ int n = 0;
+
+#ifdef NS_ENABLE_SSL
+ if (conn->ssl != NULL) {
+ n = SSL_write(conn->ssl, io->buf, io->len);
+ } else
+#endif
+ { n = send(conn->sock, io->buf, io->len, 0); }
+
+
+#ifdef NS_ENABLE_HEXDUMP
+ ns_hexdump(conn, io->buf, n, "->");
+#endif
+
+ DBG(("%p -> %d bytes %d [%.*s%s]", conn, n, conn->flags,
+ io->len < 40 ? io->len : 40,
+ io->buf, io->len < 40 ? "" : "..."));
+
+ if (ns_is_error(n)) {
+ conn->flags |= NSF_CLOSE_IMMEDIATELY;
+ } else if (n > 0) {
+ iobuf_remove(io, n);
+ //conn->num_bytes_sent += n;
+ }
+
+ if (io->len == 0 && conn->flags & NSF_FINISHED_SENDING_DATA) {
+ conn->flags |= NSF_CLOSE_IMMEDIATELY;
+ }
+
+ ns_call(conn, NS_SEND, NULL);
+}
+
+int ns_send(struct ns_connection *conn, const void *buf, int len) {
+ return iobuf_append(&conn->send_iobuf, buf, len);
+}
+
+static void ns_add_to_set(sock_t sock, fd_set *set, sock_t *max_fd) {
+ if (sock != INVALID_SOCKET) {
+ FD_SET(sock, set);
+ if (*max_fd == INVALID_SOCKET || sock > *max_fd) {
+ *max_fd = sock;
+ }
+ }
+}
+
+int ns_server_poll(struct ns_server *server, int milli) {
+ struct ns_connection *conn, *tmp_conn;
+ struct timeval tv;
+ fd_set read_set, write_set;
+ int num_active_connections = 0;
+ sock_t max_fd = INVALID_SOCKET;
+ time_t current_time = time(NULL);
+
+ if (server->listening_sock == INVALID_SOCKET &&
+ server->active_connections == NULL) return 0;
+
+ FD_ZERO(&read_set);
+ FD_ZERO(&write_set);
+ ns_add_to_set(server->listening_sock, &read_set, &max_fd);
+ ns_add_to_set(server->ctl[1], &read_set, &max_fd);
+
+ for (conn = server->active_connections; conn != NULL; conn = tmp_conn) {
+ tmp_conn = conn->next;
+ ns_call(conn, NS_POLL, ¤t_time);
+ ns_add_to_set(conn->sock, &read_set, &max_fd);
+ if (conn->flags & NSF_CONNECTING) {
+ ns_add_to_set(conn->sock, &write_set, &max_fd);
+ }
+ if (conn->send_iobuf.len > 0 && !(conn->flags & NSF_BUFFER_BUT_DONT_SEND)) {
+ ns_add_to_set(conn->sock, &write_set, &max_fd);
+ } else if (conn->flags & NSF_CLOSE_IMMEDIATELY) {
+ ns_close_conn(conn);
+ }
+ }
+
+ tv.tv_sec = milli / 1000;
+ tv.tv_usec = (milli % 1000) * 1000;
+
+ if (select((int) max_fd + 1, &read_set, &write_set, NULL, &tv) > 0) {
+ // Accept new connections
+ if (server->listening_sock != INVALID_SOCKET &&
+ FD_ISSET(server->listening_sock, &read_set)) {
+ // We're not looping here, and accepting just one connection at
+ // a time. The reason is that eCos does not respect non-blocking
+ // flag on a listening socket and hangs in a loop.
+ if ((conn = accept_conn(server)) != NULL) {
+ conn->last_io_time = current_time;
+ }
+ }
+
+ // Read possible wakeup calls
+ if (server->ctl[1] != INVALID_SOCKET &&
+ FD_ISSET(server->ctl[1], &read_set)) {
+ unsigned char ch;
+ recv(server->ctl[1], &ch, 1, 0);
+ send(server->ctl[1], &ch, 1, 0);
+ }
+
+ for (conn = server->active_connections; conn != NULL; conn = tmp_conn) {
+ tmp_conn = conn->next;
+ if (FD_ISSET(conn->sock, &read_set)) {
+ conn->last_io_time = current_time;
+ ns_read_from_socket(conn);
+ }
+ if (FD_ISSET(conn->sock, &write_set)) {
+ if (conn->flags & NSF_CONNECTING) {
+ ns_read_from_socket(conn);
+ } else if (!(conn->flags & NSF_BUFFER_BUT_DONT_SEND)) {
+ conn->last_io_time = current_time;
+ ns_write_to_socket(conn);
+ }
+ }
+ }
+ }
+
+ for (conn = server->active_connections; conn != NULL; conn = tmp_conn) {
+ tmp_conn = conn->next;
+ num_active_connections++;
+ if (conn->flags & NSF_CLOSE_IMMEDIATELY) {
+ ns_close_conn(conn);
+ }
+ }
+ //DBG(("%d active connections", num_active_connections));
+
+ return num_active_connections;
+}
+
+struct ns_connection *ns_connect(struct ns_server *server, const char *host,
+ int port, int use_ssl, void *param) {
+ sock_t sock = INVALID_SOCKET;
+ struct sockaddr_in sin;
+ struct hostent *he = NULL;
+ struct ns_connection *conn = NULL;
+ int connect_ret_val;
+
+ (void) use_ssl;
+ if (host == NULL || (he = gethostbyname(host)) == NULL ||
+ (sock = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
+ DBG(("gethostbyname(%s) failed: %s", host, strerror(errno)));
+ return NULL;
+ }
+
+ sin.sin_family = AF_INET;
+ sin.sin_port = htons((uint16_t) port);
+ sin.sin_addr = * (struct in_addr *) he->h_addr_list[0];
+ ns_set_non_blocking_mode(sock);
+
+ connect_ret_val = connect(sock, (struct sockaddr *) &sin, sizeof(sin));
+ if (ns_is_error(connect_ret_val)) {
+ closesocket(sock);
+ return NULL;
+ } else if ((conn = (struct ns_connection *)
+ NS_MALLOC(sizeof(*conn))) == NULL) {
+ closesocket(sock);
+ return NULL;
+ }
+
+ memset(conn, 0, sizeof(*conn));
+ conn->server = server;
+ conn->sock = sock;
+ conn->connection_data = param;
+ conn->flags = NSF_CONNECTING;
+ conn->last_io_time = time(NULL);
+
+#ifdef NS_ENABLE_SSL
+ if (use_ssl &&
+ (conn->ssl = SSL_new(server->client_ssl_ctx)) != NULL) {
+ SSL_set_fd(conn->ssl, sock);
+ }
+#endif
+
+ ns_add_conn(server, conn);
+ DBG(("%p %s:%d %d %p", conn, host, port, conn->sock, conn->ssl));
+
+ return conn;
+}
+
+struct ns_connection *ns_add_sock(struct ns_server *s, sock_t sock, void *p) {
+ struct ns_connection *conn;
+ if ((conn = (struct ns_connection *) NS_MALLOC(sizeof(*conn))) != NULL) {
+ memset(conn, 0, sizeof(*conn));
+ ns_set_non_blocking_mode(sock);
+ conn->sock = sock;
+ conn->connection_data = p;
+ conn->server = s;
+ conn->last_io_time = time(NULL);
+ ns_add_conn(s, conn);
+ DBG(("%p %d", conn, sock));
+ }
+ return conn;
+}
+
+void ns_iterate(struct ns_server *server, ns_callback_t cb, void *param) {
+ struct ns_connection *conn, *tmp_conn;
+
+ for (conn = server->active_connections; conn != NULL; conn = tmp_conn) {
+ tmp_conn = conn->next;
+ cb(conn, NS_POLL, param);
+ }
+}
+
+void ns_server_wakeup(struct ns_server *server) {
+ unsigned char ch = 0;
+ if (server->ctl[0] != INVALID_SOCKET) {
+ send(server->ctl[0], &ch, 1, 0);
+ recv(server->ctl[0], &ch, 1, 0);
+ }
+}
+
+void ns_server_init(struct ns_server *s, void *server_data, ns_callback_t cb) {
+ memset(s, 0, sizeof(*s));
+ s->listening_sock = s->ctl[0] = s->ctl[1] = INVALID_SOCKET;
+ s->server_data = server_data;
+ s->callback = cb;
+
+#ifdef _WIN32
+ { WSADATA data; WSAStartup(MAKEWORD(2, 2), &data); }
+#else
+ // Ignore SIGPIPE signal, so if client cancels the request, it
+ // won't kill the whole process.
+ signal(SIGPIPE, SIG_IGN);
+#endif
+
+#ifndef NS_DISABLE_SOCKETPAIR
+ do {
+ ns_socketpair(s->ctl);
+ } while (s->ctl[0] == INVALID_SOCKET);
+#endif
+
+#ifdef NS_ENABLE_SSL
+ SSL_library_init();
+ s->client_ssl_ctx = SSL_CTX_new(SSLv23_client_method());
+#endif
+}
+
+void ns_server_free(struct ns_server *s) {
+ struct ns_connection *conn, *tmp_conn;
+
+ DBG(("%p", s));
+ if (s == NULL) return;
+ // Do one last poll, see https://github.com/cesanta/mongoose/issues/286
+ ns_server_poll(s, 0);
+
+ if (s->listening_sock != INVALID_SOCKET) closesocket(s->listening_sock);
+ if (s->ctl[0] != INVALID_SOCKET) closesocket(s->ctl[0]);
+ if (s->ctl[1] != INVALID_SOCKET) closesocket(s->ctl[1]);
+ s->listening_sock = s->ctl[0] = s->ctl[1] = INVALID_SOCKET;
+
+ for (conn = s->active_connections; conn != NULL; conn = tmp_conn) {
+ tmp_conn = conn->next;
+ ns_close_conn(conn);
+ }
+
+#ifdef NS_ENABLE_SSL
+ if (s->ssl_ctx != NULL) SSL_CTX_free(s->ssl_ctx);
+ if (s->client_ssl_ctx != NULL) SSL_CTX_free(s->client_ssl_ctx);
+#endif
+}
+
+// net_skeleton end
+#endif // NOEMBED_NET_SKELETON
+
+#include <ctype.h>
+
+#ifdef _WIN32 //////////////// Windows specific defines and includes
+#include <io.h> // For _lseeki64
+#include <direct.h> // For _mkdir
+#ifndef S_ISDIR
+#define S_ISDIR(x) ((x) & _S_IFDIR)
+#endif
+#define sleep(x) Sleep((x) * 1000)
+#define stat(x, y) mg_stat((x), (y))
+#define fopen(x, y) mg_fopen((x), (y))
+#define open(x, y) mg_open((x), (y))
+#define lseek(x, y, z) _lseeki64((x), (y), (z))
+#define popen(x, y) _popen((x), (y))
+#define pclose(x) _pclose(x)
+#define mkdir(x, y) _mkdir(x)
+#define to64(x) _atoi64(x)
+#ifndef __func__
+#define STRX(x) #x
+#define STR(x) STRX(x)
+#define __func__ __FILE__ ":" STR(__LINE__)
+#endif
+#define INT64_FMT "I64d"
+#define stat(x, y) mg_stat((x), (y))
+#define fopen(x, y) mg_fopen((x), (y))
+#define open(x, y) mg_open((x), (y))
+#define flockfile(x) ((void) (x))
+#define funlockfile(x) ((void) (x))
+typedef struct _stati64 file_stat_t;
+typedef HANDLE pid_t;
+#else ////////////// UNIX specific defines and includes
+#include <dirent.h>
+#include <inttypes.h>
+#include <pwd.h>
+#define O_BINARY 0
+#define INT64_FMT PRId64
+typedef struct stat file_stat_t;
+#endif //////// End of platform-specific defines and includes
#include "mongoose.h"
-struct ll { struct ll *prev, *next; };
-#define LINKED_LIST_INIT(N) ((N)->next = (N)->prev = (N))
-#define LINKED_LIST_DECLARE_AND_INIT(H) struct ll H = { &H, &H }
-#define LINKED_LIST_ENTRY(P,T,N) ((T *)((char *)(P) - offsetof(T, N)))
-#define LINKED_LIST_IS_EMPTY(N) ((N)->next == (N))
-#define LINKED_LIST_FOREACH(H,N,T) \
- for (N = (H)->next, T = (N)->next; N != (H); N = (T), T = (N)->next)
-#define LINKED_LIST_ADD_TO_FRONT(H,N) do { ((H)->next)->prev = (N); \
- (N)->next = ((H)->next); (N)->prev = (H); (H)->next = (N); } while (0)
-#define LINKED_LIST_ADD_TO_TAIL(H,N) do { ((H)->prev)->next = (N); \
- (N)->prev = ((H)->prev); (N)->next = (H); (H)->prev = (N); } while (0)
-#define LINKED_LIST_REMOVE(N) do { ((N)->next)->prev = ((N)->prev); \
- ((N)->prev)->next = ((N)->next); LINKED_LIST_INIT(N); } while (0)
-
-#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
#define MAX_REQUEST_SIZE 16384
#define IOBUF_SIZE 8192
#define MAX_PATH_SIZE 8192
#define LUA_SCRIPT_PATTERN "**.lp$"
#define DEFAULT_CGI_PATTERN "**.cgi$|**.pl$|**.php$"
-#define CGI_ENVIRONMENT_SIZE 4096
+#define CGI_ENVIRONMENT_SIZE 8192
#define MAX_CGI_ENVIR_VARS 64
#define ENV_EXPORT_TO_CGI "MONGOOSE_CGI"
#define PASSWORDS_FILE_NAME ".htpasswd"
#define MONGOOSE_USE_EXTRA_HTTP_HEADERS ""
#endif
-#ifndef MONGOOSE_USE_POST_SIZE_LIMIT
-#define MONGOOSE_USE_POST_SIZE_LIMIT 0
+#ifndef MONGOOSE_POST_SIZE_LIMIT
+#define MONGOOSE_POST_SIZE_LIMIT 0
#endif
-#ifndef MONGOOSE_USE_IDLE_TIMEOUT_SECONDS
-#define MONGOOSE_USE_IDLE_TIMEOUT_SECONDS 30
+#ifndef MONGOOSE_IDLE_TIMEOUT_SECONDS
+#define MONGOOSE_IDLE_TIMEOUT_SECONDS 30
#endif
-#ifdef MONGOOSE_ENABLE_DEBUG
-#define DBG(x) do { printf("%-20s ", __func__); printf x; putchar('\n'); \
- fflush(stdout); } while(0)
-#else
-#define DBG(x)
+#ifdef MONGOOSE_NO_SOCKETPAIR
+#define MONGOOSE_NO_CGI
#endif
#ifdef MONGOOSE_NO_FILESYSTEM
#define MONGOOSE_NO_DAV
#define MONGOOSE_NO_DIRECTORY_LISTING
#define MONGOOSE_NO_LOGGING
+#define MONGOOSE_NO_SSI
#endif
-union socket_address {
- struct sockaddr sa;
- struct sockaddr_in sin;
-#ifdef MONGOOSE_USE_IPV6
- struct sockaddr_in6 sin6;
-#endif
-};
-
struct vec {
const char *ptr;
int len;
#ifndef _WIN32
RUN_AS_USER,
#endif
-#ifdef MONGOOSE_USE_SSL
+#ifndef MONGOOSE_NO_SSI
+ SSI_PATTERN,
+#endif
+#ifdef NS_ENABLE_SSL
SSL_CERTIFICATE,
#endif
URL_REWRITES,
#endif
"hide_files_patterns", NULL,
#ifndef MONGOOSE_NO_FILESYSTEM
- "index_files","index.html,index.htm,index.cgi,index.php,index.lp",
+ "index_files","index.html,index.htm,index.shtml,index.cgi,index.php,index.lp",
#endif
"listening_port", NULL,
#ifndef _WIN32
"run_as_user", NULL,
#endif
-#ifdef MONGOOSE_USE_SSL
+#ifndef MONGOOSE_NO_SSI
+ "ssi_pattern", "**.shtml$|**.shtm$",
+#endif
+#ifdef NS_ENABLE_SSL
"ssl_certificate", NULL,
#endif
"url_rewrites", NULL,
};
struct mg_server {
- sock_t listening_sock;
+ struct ns_server ns_server;
union socket_address lsa; // Listening socket address
- struct ll active_connections;
- mg_handler_t request_handler;
- mg_handler_t error_handler;
- mg_handler_t auth_handler;
+ mg_handler_t event_handler;
char *config_options[NUM_OPTIONS];
char local_ip[48];
- void *server_data;
-#ifdef MONGOOSE_USE_SSL
- SSL_CTX *ssl_ctx; // Server SSL context
- SSL_CTX *client_ssl_ctx; // Client SSL context
-#endif
- sock_t ctl[2]; // Control socketpair. Used to wake up from select() call
-};
-
-// Expandable IO buffer
-struct iobuf {
- char *buf; // Buffer that holds the data
- int size; // Buffer size
- int len; // Number of bytes currently in a buffer
};
// Local endpoint representation
union endpoint {
- int fd; // Opened regular local file
- sock_t cgi_sock; // CGI socket
- void *ssl; // SSL descriptor
+ int fd; // Opened regular local file
+ struct ns_connection *cgi_conn; // CGI socket
};
enum endpoint_type { EP_NONE, EP_FILE, EP_CGI, EP_USER, EP_PUT, EP_CLIENT };
-enum connection_flags {
- CONN_CLOSE = 1, // Connection must be closed at the end of the poll
- CONN_SPOOL_DONE = 2, // All data has been buffered for sending
- CONN_SSL_HANDS_SHAKEN = 4, // SSL handshake has completed. Only for SSL
- CONN_HEADERS_SENT = 8, // User callback has sent HTTP headers
- CONN_BUFFER = 16, // CGI only. Holds data send until CGI prints
- // all HTTP headers
- CONN_CONNECTING = 32, // HTTP client is doing non-blocking connect()
- CONN_LONG_RUNNING = 64 // Long-running URI handlers
-};
+
+#define MG_HEADERS_SENT NSF_USER_1
+#define MG_LONG_RUNNING NSF_USER_2
+#define MG_CGI_CONN NSF_USER_3
struct connection {
- struct mg_connection mg_conn; // XXX: Must be first
- struct ll link; // Linkage to server->active_connections
+ struct ns_connection *ns_conn;
+ struct mg_connection mg_conn;
struct mg_server *server;
- sock_t client_sock; // Connected client
- struct iobuf local_iobuf;
- struct iobuf remote_iobuf;
union endpoint endpoint;
enum endpoint_type endpoint_type;
- time_t birth_time;
- time_t last_activity_time;
char *path_info;
char *request;
int64_t num_bytes_sent; // Total number of bytes sent
int64_t cl; // Reply content length, for Range support
int request_len; // Request length, including last \r\n after last header
- int flags; // CONN_* flags: CONN_CLOSE, CONN_SPOOL_DONE, etc
- mg_handler_t handler; // Callback for HTTP client
-#ifdef MONGOOSE_USE_SSL
- SSL *ssl; // SSL descriptor
-#endif
+ //int flags; // CONN_* flags: CONN_CLOSE, CONN_SPOOL_DONE, etc
+ //mg_handler_t handler; // Callback for HTTP client
};
+#define MG_CONN_2_CONN(c) ((struct connection *) ((char *) (c) - \
+ offsetof(struct connection, mg_conn)))
+
static void open_local_endpoint(struct connection *conn, int skip_user);
static void close_local_endpoint(struct connection *conn);
#ifndef MONGOOSE_NO_THREADS
void *mg_start_thread(void *(*f)(void *), void *p) {
-#ifdef _WIN32
- return (void *) _beginthread((void (__cdecl *)(void *)) f, 0, p);
-#else
- pthread_t thread_id = (pthread_t) 0;
- pthread_attr_t attr;
-
- (void) pthread_attr_init(&attr);
- (void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-
-#if MONGOOSE_USE_STACK_SIZE > 1
- (void) pthread_attr_setstacksize(&attr, MONGOOSE_USE_STACK_SIZE);
-#endif
-
- pthread_create(&thread_id, &attr, f, p);
- pthread_attr_destroy(&attr);
-
- return (void *) thread_id;
-#endif
+ return ns_start_thread(f, p);
}
#endif // MONGOOSE_NO_THREADS
#ifdef _WIN32
+#ifndef MONGOOSE_NO_FILESYSTEM
// Encode 'path' which is assumed UTF-8 string, into UNICODE string.
// wbuf and wbuf_len is a target buffer and its length.
static void to_wchar(const char *path, wchar_t *wbuf, size_t wbuf_len) {
strncpy(buf, path, sizeof(buf));
buf[sizeof(buf) - 1] = '\0';
- // Trim trailing slashes
+ // Trim trailing slashes. Leave backslash for paths like "X:\"
p = buf + strlen(buf) - 1;
- while (p > buf && p[0] == '\\' || p[0] == '/') *p-- = '\0';
- //change_slashes_to_backslashes(buf);
+ while (p > buf && p[-1] != ':' && (p[0] == '\\' || p[0] == '/')) *p-- = '\0';
// Convert to Unicode and back. If doubly-converted string does not
// match the original, something is fishy, reject.
return _wopen(wpath, flag);
}
#endif
-
-static void set_close_on_exec(int fd) {
-#ifdef _WIN32
- (void) SetHandleInformation((HANDLE) fd, HANDLE_FLAG_INHERIT, 0);
-#else
- fcntl(fd, F_SETFD, FD_CLOEXEC);
-#endif
-}
-
-static void set_non_blocking_mode(sock_t sock) {
-#ifdef _WIN32
- unsigned long on = 1;
- ioctlsocket(sock, FIONBIO, &on);
-#else
- int flags = fcntl(sock, F_GETFL, 0);
- fcntl(sock, F_SETFL, flags | O_NONBLOCK);
-#endif
-}
+#endif // MONGOOSE_NO_FILESYSTEM
// A helper function for traversing a comma separated list of values.
// It returns a list pointer shifted to the next value, or NULL if the end
return list;
}
-static int spool(struct iobuf *io, const void *buf, int len) {
- static const double mult = 1.2;
- char *p = NULL;
- int new_len = 0;
-
- assert(io->len >= 0);
- assert(io->len <= io->size);
-
- //DBG(("1. %d %d %d", len, io->len, io->size));
- if (len <= 0) {
- } else if ((new_len = io->len + len) < io->size) {
- memcpy(io->buf + io->len, buf, len);
- io->len = new_len;
- } else if ((p = (char *) realloc(io->buf, (int) (new_len * mult))) != NULL) {
- io->buf = p;
- memcpy(io->buf + io->len, buf, len);
- io->len = new_len;
- io->size = (int) (new_len * mult);
- } else {
- len = 0;
- }
- //DBG(("%d %d %d", len, io->len, io->size));
-
- return len;
-}
-
// Like snprintf(), but never returns negative value, or a value
// that is larger than a supplied buffer.
static int mg_vsnprintf(char *buf, size_t buflen, const char *fmt, va_list ap) {
}
}
+static int call_user(struct connection *conn, enum mg_event ev) {
+ return conn != NULL && conn->server != NULL &&
+ conn->server->event_handler != NULL ?
+ conn->server->event_handler(&conn->mg_conn, ev) : MG_FALSE;
+}
+
static void send_http_error(struct connection *conn, int code,
const char *fmt, ...) {
const char *message = status_code_to_str(code);
conn->mg_conn.status_code = code;
// Invoke error handler if it is set
- if (conn->server->error_handler != NULL &&
- conn->server->error_handler(&conn->mg_conn) == MG_ERROR_PROCESSED) {
+ if (call_user(conn, MG_HTTP_ERROR) == MG_TRUE) {
close_local_endpoint(conn);
return;
}
// Handle error code rewrites
while ((rewrites = next_option(rewrites, &a, &b)) != NULL) {
if ((match_code = atoi(a.ptr)) > 0 && match_code == code) {
- conn->mg_conn.status_code = 302;
- mg_printf(&conn->mg_conn, "HTTP/1.1 %d Moved\r\n"
- "Location: %.*s?code=%d&orig_uri=%s\r\n\r\n",
- conn->mg_conn.status_code, b.len, b.ptr, code,
- conn->mg_conn.uri);
+ struct mg_connection *c = &conn->mg_conn;
+ c->status_code = 302;
+ mg_printf(c, "HTTP/1.1 %d Moved\r\n"
+ "Location: %.*s?code=%d&orig_uri=%s&query_string=%s\r\n\r\n",
+ c->status_code, b.len, b.ptr, code, c->uri,
+ c->query_string == NULL ? "" : c->query_string);
close_local_endpoint(conn);
return;
}
"HTTP/1.1 %d %s\r\nContent-Length: %d\r\n"
"Content-Type: text/plain\r\n\r\n",
code, message, body_len);
- spool(&conn->remote_iobuf, headers, headers_len);
- spool(&conn->remote_iobuf, body, body_len);
+ ns_send(conn->ns_conn, headers, headers_len);
+ ns_send(conn->ns_conn, body, body_len);
close_local_endpoint(conn); // This will write to the log file
}
-// Print message to buffer. If buffer is large enough to hold the message,
-// return buffer. If buffer is to small, allocate large enough buffer on heap,
-// and return allocated buffer.
-static int alloc_vprintf(char **buf, size_t size, const char *fmt, va_list ap) {
- va_list ap_copy;
- int len;
-
- // Windows is not standard-compliant, and vsnprintf() returns -1 if
- // buffer is too small. Also, older versions of msvcrt.dll do not have
- // _vscprintf(). However, if size is 0, vsnprintf() behaves correctly.
- // Therefore, we make two passes: on first pass, get required message length.
- // On second pass, actually print the message.
- va_copy(ap_copy, ap);
- len = vsnprintf(NULL, 0, fmt, ap_copy);
-
- if (len > (int) size &&
- (size = len + 1) > 0 &&
- (*buf = (char *) malloc(size)) == NULL) {
- len = -1; // Allocation failed, mark failure
- } else {
- va_copy(ap_copy, ap);
- vsnprintf(*buf, size, fmt, ap_copy);
- }
-
- return len;
-}
-
static void write_chunk(struct connection *conn, const char *buf, int len) {
char chunk_size[50];
int n = mg_snprintf(chunk_size, sizeof(chunk_size), "%X\r\n", len);
- spool(&conn->remote_iobuf, chunk_size, n);
- spool(&conn->remote_iobuf, buf, len);
- spool(&conn->remote_iobuf, "\r\n", 2);
-}
-
-int mg_vprintf(struct mg_connection *conn, const char *fmt, va_list ap,
- int chunked) {
- char mem[IOBUF_SIZE], *buf = mem;
- int len;
-
- if ((len = alloc_vprintf(&buf, sizeof(mem), fmt, ap)) > 0) {
- if (chunked) {
- write_chunk((struct connection *) conn, buf, len);
- } else {
- len = mg_write(conn, buf, (size_t) len);
- }
- }
- if (buf != mem && buf != NULL) {
- free(buf);
- }
-
- return len;
+ ns_send(conn->ns_conn, chunk_size, n);
+ ns_send(conn->ns_conn, buf, len);
+ ns_send(conn->ns_conn, "\r\n", 2);
}
int mg_printf(struct mg_connection *conn, const char *fmt, ...) {
+ struct connection *c = MG_CONN_2_CONN(conn);
int len;
va_list ap;
+
va_start(ap, fmt);
- len = mg_vprintf(conn, fmt, ap, 0);
+ len = ns_vprintf(c->ns_conn, fmt, ap);
va_end(ap);
- return len;
-}
-
-static int mg_socketpair(sock_t sp[2]) {
- struct sockaddr_in sa;
- sock_t sock, ret = -1;
- socklen_t len = sizeof(sa);
-
- sp[0] = sp[1] = INVALID_SOCKET;
-
- (void) memset(&sa, 0, sizeof(sa));
- sa.sin_family = AF_INET;
- sa.sin_port = htons(0);
- sa.sin_addr.s_addr = htonl(0x7f000001);
-
- if ((sock = socket(AF_INET, SOCK_STREAM, 0)) != INVALID_SOCKET &&
- !bind(sock, (struct sockaddr *) &sa, len) &&
- !listen(sock, 1) &&
- !getsockname(sock, (struct sockaddr *) &sa, &len) &&
- (sp[0] = socket(AF_INET, SOCK_STREAM, 6)) != -1 &&
- !connect(sp[0], (struct sockaddr *) &sa, len) &&
- (sp[1] = accept(sock,(struct sockaddr *) &sa, &len)) != INVALID_SOCKET) {
- set_close_on_exec(sp[0]);
- set_close_on_exec(sp[1]);
- ret = 0;
- } else {
- if (sp[0] != INVALID_SOCKET) closesocket(sp[0]);
- if (sp[1] != INVALID_SOCKET) closesocket(sp[1]);
- sp[0] = sp[1] = INVALID_SOCKET;
- }
- closesocket(sock);
-
- return ret;
-}
-
-static int is_error(int n) {
- return n == 0 ||
- (n < 0 && errno != EINTR && errno != EINPROGRESS &&
- errno != EAGAIN && errno != EWOULDBLOCK
-#ifdef _WIN32
- && WSAGetLastError() != WSAEINTR && WSAGetLastError() != WSAEWOULDBLOCK
-#endif
- );
-}
-static void discard_leading_iobuf_bytes(struct iobuf *io, int n) {
- if (n >= 0 && n <= io->len) {
- memmove(io->buf, io->buf + n, io->len - n);
- io->len -= n;
- }
+ return len;
}
#ifndef MONGOOSE_NO_CGI
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
- return pi.hProcess;
+ return (pid_t) pi.hProcess;
}
#else
static pid_t start_process(const char *interp, const char *cmd, const char *env,
blk->len = blk->nvars = 0;
blk->conn = ri;
- addenv(blk, "SERVER_NAME=%s", opts[AUTH_DOMAIN]);
+ if ((s = getenv("SERVER_NAME")) != NULL) {
+ addenv(blk, "SERVER_NAME=%s", s);
+ } else {
+ addenv(blk, "SERVER_NAME=%s", conn->server->local_ip);
+ }
addenv(blk, "SERVER_ROOT=%s", opts[DOCUMENT_ROOT]);
addenv(blk, "DOCUMENT_ROOT=%s", opts[DOCUMENT_ROOT]);
addenv(blk, "SERVER_SOFTWARE=%s/%s", "Mongoose", MONGOOSE_VERSION);
addenv(blk, "SCRIPT_FILENAME=%s", prog);
addenv(blk, "PATH_TRANSLATED=%s", prog);
-#ifdef MONGOOSE_USE_SSL
- addenv(blk, "HTTPS=%s", conn->ssl != NULL ? "on" : "off");
-#else
- addenv(blk, "HTTPS=%s", "off");
-#endif
+ addenv(blk, "HTTPS=%s", conn->ns_conn->ssl != NULL ? "on" : "off");
if ((s = mg_get_header(ri, "Content-Type")) != NULL)
addenv(blk, "CONTENT_TYPE=%s", s);
addenv(blk, "CONTENT_LENGTH=%s", s);
addenv2(blk, "PATH");
+ addenv2(blk, "TMP");
+ addenv2(blk, "TEMP");
+ addenv2(blk, "TMPDIR");
addenv2(blk, "PERLLIB");
addenv2(blk, ENV_EXPORT_TO_CGI);
static void open_cgi_endpoint(struct connection *conn, const char *prog) {
struct cgi_env_block blk;
- char dir[MAX_PATH_SIZE], *p;
+ char dir[MAX_PATH_SIZE];
+ const char *p;
sock_t fds[2];
prepare_cgi_environment(conn, prog, &blk);
mg_snprintf(dir, sizeof(dir), "%.*s", (int) (p - prog), prog);
}
- // Try to create socketpair in a loop until success. mg_socketpair()
+ // Try to create socketpair in a loop until success. ns_socketpair()
// can be interrupted by a signal and fail.
// TODO(lsm): use sigaction to restart interrupted syscall
do {
- mg_socketpair(fds);
+ ns_socketpair(fds);
} while (fds[0] == INVALID_SOCKET);
if (start_process(conn->server->config_options[CGI_INTERPRETER],
prog, blk.buf, blk.vars, dir, fds[1]) > 0) {
conn->endpoint_type = EP_CGI;
- conn->endpoint.cgi_sock = fds[0];
- spool(&conn->remote_iobuf, cgi_status, sizeof(cgi_status) - 1);
+ conn->endpoint.cgi_conn = ns_add_sock(&conn->server->ns_server,
+ fds[0], conn);
+ conn->endpoint.cgi_conn->flags |= MG_CGI_CONN;
+ ns_send(conn->ns_conn, cgi_status, sizeof(cgi_status) - 1);
conn->mg_conn.status_code = 200;
- conn->flags |= CONN_BUFFER;
+ conn->ns_conn->flags |= NSF_BUFFER_BUT_DONT_SEND;
} else {
closesocket(fds[0]);
send_http_error(conn, 500, "start_process(%s) failed", prog);
#endif
}
-static void read_from_cgi(struct connection *conn) {
- struct iobuf *io = &conn->remote_iobuf;
- char buf[IOBUF_SIZE], buf2[sizeof(buf)], *s = buf2;
+static void on_cgi_data(struct ns_connection *nc) {
+ struct connection *conn = (struct connection *) nc->connection_data;
const char *status = "500";
struct mg_connection c;
- int len, s_len = sizeof(cgi_status) - 1,
- n = recv(conn->endpoint.cgi_sock, buf, sizeof(buf), 0);
- DBG(("%p %d", conn, n));
- if (is_error(n)) {
- close_local_endpoint(conn);
- } else if (n > 0) {
- spool(&conn->remote_iobuf, buf, n);
- if (conn->flags & CONN_BUFFER) {
- len = get_request_len(io->buf + s_len, io->len - s_len);
- if (len == 0) return;
- if (len > 0) {
- memset(&c, 0, sizeof(c));
- memcpy(buf2, io->buf + s_len, len);
- buf2[len - 1] = '\0';
- parse_http_headers(&s, &c);
- if (mg_get_header(&c, "Location") != NULL) {
- status = "302";
- } else if ((status = (char *) mg_get_header(&c, "Status")) == NULL) {
- status = "200";
- }
+ if (!conn) return;
+
+ // Copy CGI data from CGI socket to the client send buffer
+ ns_send(conn->ns_conn, nc->recv_iobuf.buf, nc->recv_iobuf.len);
+ iobuf_remove(&nc->recv_iobuf, nc->recv_iobuf.len);
+
+ // If reply has not been parsed yet, parse it
+ if (conn->ns_conn->flags & NSF_BUFFER_BUT_DONT_SEND) {
+ struct iobuf *io = &conn->ns_conn->send_iobuf;
+ int s_len = sizeof(cgi_status) - 1;
+ int len = get_request_len(io->buf + s_len, io->len - s_len);
+ char buf[MAX_REQUEST_SIZE], *s = buf;
+
+ if (len == 0) return;
+
+ if (len < 0 || len > (int) sizeof(buf)) {
+ iobuf_remove(io, io->len);
+ send_http_error(conn, 500, "%s", "CGI program sent malformed headers");
+ } else {
+ memset(&c, 0, sizeof(c));
+ memcpy(buf, io->buf + s_len, len);
+ buf[len - 1] = '\0';
+ parse_http_headers(&s, &c);
+ if (mg_get_header(&c, "Location") != NULL) {
+ status = "302";
+ } else if ((status = (char *) mg_get_header(&c, "Status")) == NULL) {
+ status = "200";
}
memcpy(io->buf + 9, status, 3);
conn->mg_conn.status_code = atoi(status);
- conn->flags &= ~CONN_BUFFER;
}
+ conn->ns_conn->flags &= ~NSF_BUFFER_BUT_DONT_SEND;
}
}
static void forward_post_data(struct connection *conn) {
- struct iobuf *io = &conn->local_iobuf;
- int n = send(conn->endpoint.cgi_sock, io->buf, io->len, 0);
- discard_leading_iobuf_bytes(io, n);
-}
-#endif // !MONGOOSE_NO_CGI
-
-// 'sa' must be an initialized address to bind to
-static sock_t open_listening_socket(union socket_address *sa) {
- socklen_t len = sizeof(*sa);
- sock_t on = 1, sock = INVALID_SOCKET;
-
- if ((sock = socket(sa->sa.sa_family, SOCK_STREAM, 6)) != INVALID_SOCKET &&
- !setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *) &on, sizeof(on)) &&
- !bind(sock, &sa->sa, sa->sa.sa_family == AF_INET ?
- sizeof(sa->sin) : sizeof(sa->sa)) &&
- !listen(sock, SOMAXCONN)) {
- set_non_blocking_mode(sock);
- // In case port was set to 0, get the real port number
- (void) getsockname(sock, &sa->sa, &len);
- } else if (sock != INVALID_SOCKET) {
- closesocket(sock);
- sock = INVALID_SOCKET;
+ struct iobuf *io = &conn->ns_conn->recv_iobuf;
+ if (conn->endpoint.cgi_conn != NULL) {
+ ns_send(conn->endpoint.cgi_conn, io->buf, io->len);
+ iobuf_remove(io, io->len);
}
-
- return sock;
}
+#endif // !MONGOOSE_NO_CGI
static char *mg_strdup(const char *str) {
char *copy = (char *) malloc(strlen(str) + 1);
static void sockaddr_to_string(char *buf, size_t len,
const union socket_address *usa) {
buf[0] = '\0';
-#if defined(MONGOOSE_USE_IPV6)
+#if defined(NS_ENABLE_IPV6)
inet_ntop(usa->sa.sa_family, usa->sa.sa_family == AF_INET ?
(void *) &usa->sin.sin_addr :
(void *) &usa->sin6.sin6_addr, buf, len);
#endif
}
-static struct connection *accept_new_connection(struct mg_server *server) {
- union socket_address sa;
- socklen_t len = sizeof(sa);
- sock_t sock = INVALID_SOCKET;
- struct connection *conn = NULL;
-
- // NOTE(lsm): on Windows, sock is always > FD_SETSIZE
- if ((sock = accept(server->listening_sock, &sa.sa, &len)) == INVALID_SOCKET) {
- } else if (!check_acl(server->config_options[ACCESS_CONTROL_LIST],
- ntohl(* (uint32_t *) &sa.sin.sin_addr))) {
- // NOTE(lsm): check_acl doesn't work for IPv6
- closesocket(sock);
- } else if ((conn = (struct connection *) calloc(1, sizeof(*conn))) == NULL) {
- closesocket(sock);
-#ifdef MONGOOSE_USE_SSL
- } else if (server->ssl_ctx != NULL &&
- ((conn->ssl = SSL_new(server->ssl_ctx)) == NULL ||
- SSL_set_fd(conn->ssl, sock) != 1)) {
- DBG(("SSL error"));
- closesocket(sock);
- free(conn);
- conn = NULL;
-#endif
- } else {
- set_close_on_exec(sock);
- set_non_blocking_mode(sock);
- conn->server = server;
- conn->client_sock = sock;
- sockaddr_to_string(conn->mg_conn.remote_ip,
- sizeof(conn->mg_conn.remote_ip), &sa);
- conn->mg_conn.remote_port = ntohs(sa.sin.sin_port);
- conn->mg_conn.server_param = server->server_data;
- conn->mg_conn.local_ip = server->local_ip;
- conn->mg_conn.local_port = ntohs(server->lsa.sin.sin_port);
- LINKED_LIST_ADD_TO_FRONT(&server->active_connections, &conn->link);
- DBG(("added conn %p", conn));
- }
-
- return conn;
-}
-
-static void close_conn(struct connection *conn) {
- LINKED_LIST_REMOVE(&conn->link);
- closesocket(conn->client_sock);
- close_local_endpoint(conn);
- DBG(("%p %d %d", conn, conn->flags, conn->endpoint_type));
- free(conn->request); // It's OK to free(NULL), ditto below
- free(conn->path_info);
- free(conn->remote_iobuf.buf);
- free(conn->local_iobuf.buf);
-#ifdef MONGOOSE_USE_SSL
- if (conn->ssl != NULL) SSL_free(conn->ssl);
-#endif
- free(conn);
-}
-
// Protect against directory disclosure attack by removing '..',
// excessive '/' and '\' characters
static void remove_double_dots_and_double_slashes(char *s) {
char *p;
#endif
const char *uri = conn->mg_conn.uri;
- int match_len;
+ const char *domain = mg_get_header(&conn->mg_conn, "Host");
+ int match_len, root_len = root == NULL ? 0 : strlen(root);
+
+ // Perform virtual hosting rewrites
+ if (rewrites != NULL && domain != NULL) {
+ const char *colon = strchr(domain, ':');
+ int domain_len = colon == NULL ? (int) strlen(domain) : colon - domain;
+
+ while ((rewrites = next_option(rewrites, &a, &b)) != NULL) {
+ if (a.len > 1 && a.ptr[0] == '@' && a.len == domain_len + 1 &&
+ mg_strncasecmp(a.ptr + 1, domain, domain_len) == 0) {
+ root = b.ptr;
+ root_len = b.len;
+ break;
+ }
+ }
+ }
// No filesystem access
- if (root == NULL) return 0;
+ if (root == NULL || root_len == 0) return 0;
// Handle URL rewrites
- mg_snprintf(buf, buf_len, "%s%s", root, uri);
+ mg_snprintf(buf, buf_len, "%.*s%s", root_len, root, uri);
+ rewrites = conn->server->config_options[URL_REWRITES]; // Re-initialize!
while ((rewrites = next_option(rewrites, &a, &b)) != NULL) {
if ((match_len = match_prefix(a.ptr, a.len, uri)) > 0) {
mg_snprintf(buf, buf_len, "%.*s%s", (int) b.len, b.ptr, uri + match_len);
#endif // MONGOOSE_NO_FILESYSTEM
static int should_keep_alive(const struct mg_connection *conn) {
+ struct connection *c = MG_CONN_2_CONN(conn);
const char *method = conn->request_method;
const char *http_version = conn->http_version;
const char *header = mg_get_header(conn, "Connection");
- return method != NULL && (!strcmp(method, "GET") ||
- ((struct connection *) conn)->endpoint_type == EP_USER) &&
+ return method != NULL &&
+ (!strcmp(method, "GET") || c->endpoint_type == EP_USER) &&
((header != NULL && !mg_strcasecmp(header, "keep-alive")) ||
(header == NULL && http_version && !strcmp(http_version, "1.1")));
}
int mg_write(struct mg_connection *c, const void *buf, int len) {
- return spool(&((struct connection *) c)->remote_iobuf, buf, len);
+ struct connection *conn = MG_CONN_2_CONN(c);
+ return ns_send(conn->ns_conn, buf, len);
}
void mg_send_status(struct mg_connection *c, int status) {
}
static void terminate_headers(struct mg_connection *c) {
- struct connection *conn = (struct connection *) c;
- if (!(conn->flags & CONN_HEADERS_SENT)) {
+ struct connection *conn = MG_CONN_2_CONN(c);
+ if (!(conn->ns_conn->flags & MG_HEADERS_SENT)) {
mg_send_header(c, "Transfer-Encoding", "chunked");
mg_write(c, "\r\n", 2);
- conn->flags |= CONN_HEADERS_SENT;
+ conn->ns_conn->flags |= MG_HEADERS_SENT;
}
}
void mg_send_data(struct mg_connection *c, const void *data, int data_len) {
terminate_headers(c);
- write_chunk((struct connection *) c, (const char *) data, data_len);
+ write_chunk(MG_CONN_2_CONN(c), (const char *) data, data_len);
}
void mg_printf_data(struct mg_connection *c, const char *fmt, ...) {
+ struct connection *conn = MG_CONN_2_CONN(c);
va_list ap;
+ int len;
+ char mem[IOBUF_SIZE], *buf = mem;
terminate_headers(c);
va_start(ap, fmt);
- mg_vprintf(c, fmt, ap, 1);
+ len = ns_avprintf(&buf, sizeof(mem), fmt, ap);
va_end(ap);
+
+ if (len > 0) {
+ write_chunk((struct connection *) conn, buf, len);
+ }
+ if (buf != mem && buf != NULL) {
+ free(buf);
+ }
}
-#if !defined(NO_WEBSOCKET) || !defined(MONGOOSE_NO_AUTH)
+#if !defined(MONGOOSE_NO_WEBSOCKET) || !defined(MONGOOSE_NO_AUTH)
static int is_big_endian(void) {
static const int n = 1;
return ((char *) &n)[0] == 0;
static int deliver_websocket_frame(struct connection *conn) {
// Having buf unsigned char * is important, as it is used below in arithmetic
- unsigned char *buf = (unsigned char *) conn->local_iobuf.buf;
- int i, len, buf_len = conn->local_iobuf.len, frame_len = 0,
+ unsigned char *buf = (unsigned char *) conn->ns_conn->recv_iobuf.buf;
+ int i, len, buf_len = conn->ns_conn->recv_iobuf.len, frame_len = 0,
mask_len = 0, header_len = 0, data_len = 0, buffered = 0;
if (buf_len >= 2) {
}
// Call the handler and remove frame from the iobuf
- if (conn->server->request_handler(&conn->mg_conn) == MG_CLIENT_CLOSE) {
- conn->flags |= CONN_SPOOL_DONE;
+ if (call_user(conn, MG_REQUEST) == MG_FALSE) {
+ conn->ns_conn->flags |= NSF_FINISHED_SENDING_DATA;
}
- discard_leading_iobuf_bytes(&conn->local_iobuf, frame_len);
+ iobuf_remove(&conn->ns_conn->recv_iobuf, frame_len);
}
return buffered;
}
static void ping_idle_websocket_connection(struct connection *conn, time_t t) {
- if (t - conn->last_activity_time > MONGOOSE_USE_WEBSOCKET_PING_INTERVAL) {
+ if (t - conn->ns_conn->last_io_time > MONGOOSE_USE_WEBSOCKET_PING_INTERVAL) {
mg_websocket_write(&conn->mg_conn, 0x9, "", 0);
}
}
static int call_request_handler(struct connection *conn) {
int result;
- conn->mg_conn.content = conn->local_iobuf.buf;
- switch ((result = conn->server->request_handler(&conn->mg_conn))) {
- case MG_REQUEST_CALL_AGAIN: conn->flags |= CONN_LONG_RUNNING; break;
- case MG_REQUEST_NOT_PROCESSED: break;
- default:
- if (conn->flags & CONN_HEADERS_SENT) {
- write_terminating_chunk(conn);
- }
- close_local_endpoint(conn);
- break;
- }
- return result;
-}
-
-static void callback_http_client_on_connect(struct connection *conn) {
- int ok = 1, ret;
- socklen_t len = sizeof(ok);
-
- conn->flags &= ~CONN_CONNECTING;
- ret = getsockopt(conn->client_sock, SOL_SOCKET, SO_ERROR, (char *) &ok, &len);
-#ifdef MONGOOSE_USE_SSL
- if (ret == 0 && ok == 0 && conn->ssl != NULL) {
- int res = SSL_connect(conn->ssl), ssl_err = SSL_get_error(conn->ssl, res);
- //DBG(("%p res %d %d", conn, res, ssl_err));
- if (res == 1) {
- conn->flags = CONN_SSL_HANDS_SHAKEN;
- } else if (res == 0 || ssl_err == 2 || ssl_err == 3) {
- conn->flags |= CONN_CONNECTING;
- return; // Call us again
- } else {
- ok = 1;
+ conn->mg_conn.content = conn->ns_conn->recv_iobuf.buf;
+ if ((result = call_user(conn, MG_REQUEST)) == MG_TRUE) {
+ if (conn->ns_conn->flags & MG_HEADERS_SENT) {
+ write_terminating_chunk(conn);
}
+ close_local_endpoint(conn);
}
-#endif
- conn->mg_conn.status_code =
- (ret == 0 && ok == 0) ? MG_CONNECT_SUCCESS : MG_CONNECT_FAILURE;
- if (conn->handler(&conn->mg_conn) || ok != 0) {
- conn->flags |= CONN_CLOSE;
- }
-}
-
-static void write_to_socket(struct connection *conn) {
- struct iobuf *io = &conn->remote_iobuf;
- int n = 0;
-
- if (conn->endpoint_type == EP_CLIENT && conn->flags & CONN_CONNECTING) {
- callback_http_client_on_connect(conn);
- return;
- }
-
-#ifdef MONGOOSE_USE_SSL
- if (conn->ssl != NULL) {
- n = SSL_write(conn->ssl, io->buf, io->len);
- } else
-#endif
- { n = send(conn->client_sock, io->buf, io->len, 0); }
-
- DBG(("%p Written %d of %d(%d): [%.*s ...]",
- conn, n, io->len, io->size, io->len < 40 ? io->len : 40, io->buf));
-
- if (is_error(n)) {
- conn->flags |= CONN_CLOSE;
- } else if (n > 0) {
- discard_leading_iobuf_bytes(io, n);
- conn->num_bytes_sent += n;
- }
-
- if (io->len == 0 && conn->flags & CONN_SPOOL_DONE) {
- conn->flags |= CONN_CLOSE;
- }
+ return result;
}
const char *mg_get_mime_type(const char *path, const char *default_mime_type) {
int n;
conn->endpoint_type = EP_FILE;
- set_close_on_exec(conn->endpoint.fd);
+ ns_set_close_on_exec(conn->endpoint.fd);
conn->mg_conn.status_code = 200;
get_mime_type(conn->server, path, &mime_vec);
(int) mime_vec.len, mime_vec.ptr, conn->cl,
suggest_connection_header(&conn->mg_conn),
range, MONGOOSE_USE_EXTRA_HTTP_HEADERS);
- spool(&conn->remote_iobuf, headers, n);
+ ns_send(conn->ns_conn, headers, n);
if (!strcmp(conn->mg_conn.request_method, "HEAD")) {
- conn->flags |= CONN_SPOOL_DONE;
+ conn->ns_conn->flags |= NSF_FINISHED_SENDING_DATA;
close(conn->endpoint.fd);
conn->endpoint_type = EP_NONE;
}
}
-
#endif // MONGOOSE_NO_FILESYSTEM
static void call_request_handler_if_data_is_buffered(struct connection *conn) {
- struct iobuf *loc = &conn->local_iobuf;
+ struct iobuf *loc = &conn->ns_conn->recv_iobuf;
struct mg_connection *c = &conn->mg_conn;
#ifndef MONGOOSE_NO_WEBSOCKET
} else
#endif
if ((size_t) loc->len >= c->content_len &&
- call_request_handler(conn) == MG_REQUEST_NOT_PROCESSED) {
+ call_request_handler(conn) == MG_FALSE) {
open_local_endpoint(conn, 1);
}
}
#ifndef MONGOOSE_NO_DIRECTORY_LISTING
static void print_dir_entry(const struct dir_entry *de) {
- char size[64], mod[64], href[MAX_PATH_SIZE * 3], chunk[MAX_PATH_SIZE * 4];
+ char size[64], mod[64], href[MAX_PATH_SIZE * 3];
int64_t fsize = de->st.st_size;
- int is_dir = S_ISDIR(de->st.st_mode), n;
+ int is_dir = S_ISDIR(de->st.st_mode);
const char *slash = is_dir ? "/" : "";
if (is_dir) {
}
strftime(mod, sizeof(mod), "%d-%b-%Y %H:%M", localtime(&de->st.st_mtime));
mg_url_encode(de->file_name, href, sizeof(href));
- n = mg_snprintf(chunk, sizeof(chunk),
+ mg_printf_data(&de->conn->mg_conn,
"<tr><td><a href=\"%s%s%s\">%s%s</a></td>"
"<td> %s</td><td> %s</td></tr>\n",
de->conn->mg_conn.uri, href, slash, de->file_name, slash,
mod, size);
- write_chunk((struct connection *) de->conn, chunk, n);
}
// Sort directory entries by size, or name, or modification time.
}
static void send_directory_listing(struct connection *conn, const char *dir) {
- char buf[2000];
struct dir_entry *arr = NULL;
int i, num_entries, sort_direction = conn->mg_conn.query_string != NULL &&
conn->mg_conn.query_string[1] == 'd' ? 'a' : 'd';
- conn->mg_conn.status_code = 200;
- mg_snprintf(buf, sizeof(buf), "%s",
- "HTTP/1.1 200 OK\r\n"
- "Transfer-Encoding: Chunked\r\n"
- "Content-Type: text/html; charset=utf-8\r\n\r\n");
- spool(&conn->remote_iobuf, buf, strlen(buf));
+ mg_send_header(&conn->mg_conn, "Transfer-Encoding", "chunked");
+ mg_send_header(&conn->mg_conn, "Content-Type", "text/html; charset=utf-8");
- mg_snprintf(buf, sizeof(buf),
+ mg_printf_data(&conn->mg_conn,
"<html><head><title>Index of %s</title>"
"<style>th {text-align: left;}</style></head>"
"<body><h1>Index of %s</h1><pre><table cellpadding=\"0\">"
"<tr><td colspan=\"3\"><hr></td></tr>",
conn->mg_conn.uri, conn->mg_conn.uri,
sort_direction, sort_direction, sort_direction);
- write_chunk(conn, buf, strlen(buf));
num_entries = scan_directory(conn, dir, &arr);
qsort(arr, num_entries, sizeof(arr[0]), compare_dir_entries);
#ifndef MONGOOSE_NO_DAV
static void print_props(struct connection *conn, const char *uri,
file_stat_t *stp) {
- char mtime[64], buf[MAX_PATH_SIZE + 200];
+ char mtime[64];
gmt_time_string(mtime, sizeof(mtime), &stp->st_mtime);
- mg_snprintf(buf, sizeof(buf),
+ mg_printf(&conn->mg_conn,
"<d:response>"
"<d:href>%s</d:href>"
"<d:propstat>"
"</d:response>\n",
uri, S_ISDIR(stp->st_mode) ? "<d:collection/>" : "",
(int64_t) stp->st_size, mtime);
- spool(&conn->remote_iobuf, buf, strlen(buf));
}
static void handle_propfind(struct connection *conn, const char *path,
*list_dir = conn->server->config_options[ENABLE_DIRECTORY_LISTING];
conn->mg_conn.status_code = 207;
- spool(&conn->remote_iobuf, header, sizeof(header) - 1);
+ ns_send(conn->ns_conn, header, sizeof(header) - 1);
// Print properties for the requested resource itself
print_props(conn, conn->mg_conn.uri, stp);
}
}
- spool(&conn->remote_iobuf, footer, sizeof(footer) - 1);
+ ns_send(conn->ns_conn, footer, sizeof(footer) - 1);
close_local_endpoint(conn);
}
#endif
send_http_error(conn, 500, "open(%s): %s", path, strerror(errno));
} else {
- DBG(("PUT [%s] %d", path, conn->local_iobuf.len));
+ DBG(("PUT [%s] %d", path, conn->ns_conn->recv_iobuf.len));
conn->endpoint_type = EP_PUT;
- set_close_on_exec(conn->endpoint.fd);
+ ns_set_close_on_exec(conn->endpoint.fd);
range = mg_get_header(&conn->mg_conn, "Content-Range");
conn->cl = to64(cl_hdr);
r1 = r2 = 0;
}
static void forward_put_data(struct connection *conn) {
- struct iobuf *io = &conn->local_iobuf;
+ struct iobuf *io = &conn->ns_conn->recv_iobuf;
int n = write(conn->endpoint.fd, io->buf, io->len);
if (n > 0) {
- discard_leading_iobuf_bytes(io, n);
+ iobuf_remove(io, n);
conn->cl -= n;
if (conn->cl <= 0) {
close_local_endpoint(conn);
static void send_options(struct connection *conn) {
static const char reply[] = "HTTP/1.1 200 OK\r\nAllow: GET, POST, HEAD, "
"CONNECT, PUT, DELETE, OPTIONS, PROPFIND, MKCOL\r\nDAV: 1\r\n\r\n";
- spool(&conn->remote_iobuf, reply, sizeof(reply) - 1);
- conn->flags |= CONN_SPOOL_DONE;
+ ns_send(conn->ns_conn, reply, sizeof(reply) - 1);
+ conn->ns_conn->flags |= NSF_FINISHED_SENDING_DATA;
}
#ifndef MONGOOSE_NO_AUTH
void mg_send_digest_auth_request(struct mg_connection *c) {
- struct connection *conn = (struct connection *) c;
+ struct connection *conn = MG_CONN_2_CONN(c);
c->status_code = 401;
mg_printf(c,
"HTTP/1.1 401 Unauthorized\r\n"
#if 0
// Check for authentication timeout
- if ((unsigned long) time(NULL) - (unsigned long) to64(nonce) > 3600) {
+ if ((unsigned long) time(NULL) - (unsigned long) to64(nonce) > 3600 * 2) {
return 0;
}
#endif
mg_md5(expected_response, ha1, ":", nonce, ":", nc,
":", cnonce, ":", qop, ":", ha2, NULL);
- return mg_strcasecmp(response, expected_response) == 0 ?
- MG_AUTH_OK : MG_AUTH_FAIL;
+ return mg_strcasecmp(response, expected_response) == 0 ? MG_TRUE : MG_FALSE;
}
// Authorize against the opened passwords file. Return 1 if authorized.
int mg_authorize_digest(struct mg_connection *c, FILE *fp) {
- struct connection *conn = (struct connection *) c;
+ struct connection *conn = MG_CONN_2_CONN(c);
const char *hdr;
char line[256], f_user[256], ha1[256], f_domain[256], user[100], nonce[100],
uri[MAX_REQUEST_SIZE], cnonce[100], resp[100], qop[100], nc[100];
return check_password(c->request_method, ha1, uri,
nonce, nc, cnonce, qop, resp);
}
- return MG_AUTH_FAIL;
+ return MG_FALSE;
}
// Return 1 if request is authorised, 0 otherwise.
static int is_authorized(struct connection *conn, const char *path) {
FILE *fp;
- int authorized = MG_AUTH_OK;
+ int authorized = MG_TRUE;
if ((fp = open_auth_file(conn, path)) != NULL) {
authorized = mg_authorize_digest(&conn->mg_conn, fp);
static int is_authorized_for_dav(struct connection *conn) {
const char *auth_file = conn->server->config_options[DAV_AUTH_FILE];
FILE *fp;
- int authorized = MG_AUTH_FAIL;
+ int authorized = MG_FALSE;
if (auth_file != NULL && (fp = fopen(auth_file, "r")) != NULL) {
authorized = mg_authorize_digest(&conn->mg_conn, fp);
}
#endif // MONGOOSE_NO_AUTH
-int parse_header(const char *str, int str_len, const char *var_name, char *buf,
- size_t buf_size) {
+static int parse_header(const char *str, int str_len, const char *var_name,
+ char *buf, size_t buf_size) {
int ch = ' ', len = 0, n = strlen(var_name);
const char *p, *end = str + str_len, *s = NULL;
}
#ifdef MONGOOSE_USE_LUA
-#include "lua_5.2.1.h"
-
#ifdef _WIN32
static void *mmap(void *addr, int64_t len, int prot, int flags, int fd,
int offset) {
#include <sys/mman.h>
#endif
-static void reg_string(struct lua_State *L, const char *name, const char *val) {
+void reg_string(struct lua_State *L, const char *name, const char *val) {
lua_pushstring(L, name);
lua_pushstring(L, val);
lua_rawset(L, -3);
}
-static void reg_int(struct lua_State *L, const char *name, int val) {
+void reg_int(struct lua_State *L, const char *name, int val) {
lua_pushstring(L, name);
lua_pushinteger(L, val);
lua_rawset(L, -3);
}
-static void reg_function(struct lua_State *L, const char *name,
+void reg_function(struct lua_State *L, const char *name,
lua_CFunction func, struct mg_connection *conn) {
lua_pushstring(L, name);
lua_pushlightuserdata(L, conn);
if (host != NULL &&
(he = gethostbyname(host)) != NULL &&
- (sock = socket(PF_INET, SOCK_STREAM, 0)) != INVALID_SOCKET) {
- set_close_on_exec(sock);
+ (sock = socket(AF_INET, SOCK_STREAM, 0)) != INVALID_SOCKET) {
+ ns_set_close_on_exec(sock);
sin.sin_family = AF_INET;
sin.sin_port = htons((uint16_t) port);
sin.sin_addr = * (struct in_addr *) he->h_addr_list[0];
int i;
luaL_openlibs(L);
-#ifdef MONGOOSE_USE_LUA_SQLITE3
- { extern int luaopen_lsqlite3(lua_State *); luaopen_lsqlite3(L); }
-#endif
luaL_newmetatable(L, "luasocket");
- lua_pushliteral(L, "__index");
+ lua_newtable(L);
luaL_newlib(L, luasocket_methods);
lua_rawset(L, -3);
lua_pop(L, 1);
reg_string(L, "query_string", ri->query_string);
reg_string(L, "remote_ip", ri->remote_ip);
reg_int(L, "remote_port", ri->remote_port);
+ reg_string(L, "local_ip", ri->local_ip);
+ reg_int(L, "local_port", ri->local_port);
lua_pushstring(L, "content");
- lua_pushlstring(L, ri->content == NULL ? "" : ri->content, 0);
+ lua_pushlstring(L, ri->content == NULL ? "" : ri->content, ri->content_len);
lua_rawset(L, -3);
- reg_int(L, "content_len", ri->content_len);
reg_int(L, "num_headers", ri->num_headers);
lua_pushstring(L, "http_headers");
lua_newtable(L);
for (j = i + 1; j < len ; j++) {
if (p[j] == '?' && p[j + 1] == '>') {
mg_write(&conn->mg_conn, p + pos, i - pos);
- if (luaL_loadbuffer(L, p + (i + 2), j - (i + 2), "") == LUA_OK) {
+ if (luaL_loadbuffer(L, p + (i + 2), j - (i + 2), "") == 0) {
lua_pcall(L, 0, LUA_MULTRET, 0);
}
pos = j + 2;
static void handle_lsp_request(struct connection *conn, const char *path,
file_stat_t *st) {
- void *p = NULL;
+ void *p = MAP_FAILED;
lua_State *L = NULL;
FILE *fp = NULL;
} else {
// We're not sending HTTP headers here, Lua page must do it.
prepare_lua_environment(&conn->mg_conn, L);
+ conn->mg_conn.connection_param = L;
+ call_user(conn, MG_LUA);
lua_pushcclosure(L, &lua_error_handler, 0);
- lua_pushglobaltable(L);
+ lua_rawgeti(L, LUA_REGISTRYINDEX, LUA_RIDX_GLOBALS);
lsp(conn, p, (int) st->st_size, L);
close_local_endpoint(conn);
}
if (L != NULL) lua_close(L);
- if (p != NULL) munmap(p, st->st_size);
+ if (p != MAP_FAILED) munmap(p, st->st_size);
if (fp != NULL) fclose(fp);
}
#endif // MONGOOSE_USE_LUA
+#ifndef MONGOOSE_NO_SSI
+static void send_ssi_file(struct mg_connection *, const char *, FILE *, int);
+
+static void send_file_data(struct mg_connection *conn, FILE *fp) {
+ char buf[IOBUF_SIZE];
+ int n;
+ while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
+ mg_write(conn, buf, n);
+ }
+}
+
+static void do_ssi_include(struct mg_connection *conn, const char *ssi,
+ char *tag, int include_level) {
+ char file_name[IOBUF_SIZE], path[MAX_PATH_SIZE], *p;
+ char **opts = (MG_CONN_2_CONN(conn))->server->config_options;
+ FILE *fp;
+
+ // sscanf() is safe here, since send_ssi_file() also uses buffer
+ // of size MG_BUF_LEN to get the tag. So strlen(tag) is always < MG_BUF_LEN.
+ if (sscanf(tag, " virtual=\"%[^\"]\"", file_name) == 1) {
+ // File name is relative to the webserver root
+ mg_snprintf(path, sizeof(path), "%s%c%s",
+ opts[DOCUMENT_ROOT], '/', file_name);
+ } else if (sscanf(tag, " abspath=\"%[^\"]\"", file_name) == 1) {
+ // File name is relative to the webserver working directory
+ // or it is absolute system path
+ mg_snprintf(path, sizeof(path), "%s", file_name);
+ } else if (sscanf(tag, " file=\"%[^\"]\"", file_name) == 1 ||
+ sscanf(tag, " \"%[^\"]\"", file_name) == 1) {
+ // File name is relative to the currect document
+ mg_snprintf(path, sizeof(path), "%s", ssi);
+ if ((p = strrchr(path, '/')) != NULL) {
+ p[1] = '\0';
+ }
+ mg_snprintf(path + strlen(path), sizeof(path) - strlen(path), "%s",
+ file_name);
+ } else {
+ mg_printf(conn, "Bad SSI #include: [%s]", tag);
+ return;
+ }
+
+ if ((fp = fopen(path, "rb")) == NULL) {
+ mg_printf(conn, "Cannot open SSI #include: [%s]: fopen(%s): %s",
+ tag, path, strerror(errno));
+ } else {
+ ns_set_close_on_exec(fileno(fp));
+ if (match_prefix(opts[SSI_PATTERN], strlen(opts[SSI_PATTERN]), path) > 0) {
+ send_ssi_file(conn, path, fp, include_level + 1);
+ } else {
+ send_file_data(conn, fp);
+ }
+ fclose(fp);
+ }
+}
+
+#ifndef MONGOOSE_NO_POPEN
+static void do_ssi_exec(struct mg_connection *conn, char *tag) {
+ char cmd[IOBUF_SIZE];
+ FILE *fp;
+
+ if (sscanf(tag, " \"%[^\"]\"", cmd) != 1) {
+ mg_printf(conn, "Bad SSI #exec: [%s]", tag);
+ } else if ((fp = popen(cmd, "r")) == NULL) {
+ mg_printf(conn, "Cannot SSI #exec: [%s]: %s", cmd, strerror(errno));
+ } else {
+ send_file_data(conn, fp);
+ pclose(fp);
+ }
+}
+#endif // !MONGOOSE_NO_POPEN
+
+static void send_ssi_file(struct mg_connection *conn, const char *path,
+ FILE *fp, int include_level) {
+ char buf[IOBUF_SIZE];
+ int ch, offset, len, in_ssi_tag;
+
+ if (include_level > 10) {
+ mg_printf(conn, "SSI #include level is too deep (%s)", path);
+ return;
+ }
+
+ in_ssi_tag = len = offset = 0;
+ while ((ch = fgetc(fp)) != EOF) {
+ if (in_ssi_tag && ch == '>') {
+ in_ssi_tag = 0;
+ buf[len++] = (char) ch;
+ buf[len] = '\0';
+ assert(len <= (int) sizeof(buf));
+ if (len < 6 || memcmp(buf, "<!--#", 5) != 0) {
+ // Not an SSI tag, pass it
+ (void) mg_write(conn, buf, (size_t) len);
+ } else {
+ if (!memcmp(buf + 5, "include", 7)) {
+ do_ssi_include(conn, path, buf + 12, include_level);
+#if !defined(MONGOOSE_NO_POPEN)
+ } else if (!memcmp(buf + 5, "exec", 4)) {
+ do_ssi_exec(conn, buf + 9);
+#endif // !NO_POPEN
+ } else {
+ mg_printf(conn, "%s: unknown SSI " "command: \"%s\"", path, buf);
+ }
+ }
+ len = 0;
+ } else if (in_ssi_tag) {
+ if (len == 5 && memcmp(buf, "<!--#", 5) != 0) {
+ // Not an SSI tag
+ in_ssi_tag = 0;
+ } else if (len == (int) sizeof(buf) - 2) {
+ mg_printf(conn, "%s: SSI tag is too large", path);
+ len = 0;
+ }
+ buf[len++] = ch & 0xff;
+ } else if (ch == '<') {
+ in_ssi_tag = 1;
+ if (len > 0) {
+ mg_write(conn, buf, (size_t) len);
+ }
+ len = 0;
+ buf[len++] = ch & 0xff;
+ } else {
+ buf[len++] = ch & 0xff;
+ if (len == (int) sizeof(buf)) {
+ mg_write(conn, buf, (size_t) len);
+ len = 0;
+ }
+ }
+ }
+
+ // Send the rest of buffered data
+ if (len > 0) {
+ mg_write(conn, buf, (size_t) len);
+ }
+}
+
+static void handle_ssi_request(struct connection *conn, const char *path) {
+ FILE *fp;
+ struct vec mime_vec;
+
+ if ((fp = fopen(path, "rb")) == NULL) {
+ send_http_error(conn, 500, "fopen(%s): %s", path, strerror(errno));
+ } else {
+ ns_set_close_on_exec(fileno(fp));
+ get_mime_type(conn->server, path, &mime_vec);
+ conn->mg_conn.status_code = 200;
+ mg_printf(&conn->mg_conn,
+ "HTTP/1.1 %d OK\r\n"
+ "Content-Type: %.*s\r\n"
+ "Connection: close\r\n\r\n",
+ conn->mg_conn.status_code, (int) mime_vec.len, mime_vec.ptr);
+ send_ssi_file(&conn->mg_conn, path, fp, 0);
+ fclose(fp);
+ close_local_endpoint(conn);
+ }
+}
+#endif
+
static void open_local_endpoint(struct connection *conn, int skip_user) {
#ifndef MONGOOSE_NO_FILESYSTEM
static const char lua_pat[] = LUA_SCRIPT_PATTERN;
#endif
#endif
+ // If EP_USER was set in a prev call, reset it
+ conn->endpoint_type = EP_NONE;
+
#ifndef MONGOOSE_NO_AUTH
- // Call auth handler
- if (conn->server->auth_handler != NULL &&
- conn->server->auth_handler(&conn->mg_conn) == MG_AUTH_FAIL) {
+ if (conn->server->event_handler && call_user(conn, MG_AUTH) == MG_FALSE) {
mg_send_digest_auth_request(&conn->mg_conn);
return;
}
#endif
// Call URI handler if one is registered for this URI
- if (skip_user == 0 && conn->server->request_handler != NULL) {
+ if (skip_user == 0 && conn->server->event_handler != NULL) {
conn->endpoint_type = EP_USER;
-#if MONGOOSE_USE_POST_SIZE_LIMIT > 1
+#if MONGOOSE_POST_SIZE_LIMIT > 1
{
const char *cl = mg_get_header(&conn->mg_conn, "Content-Length");
if (!strcmp(conn->mg_conn.request_method, "POST") &&
- (cl == NULL || to64(cl) > MONGOOSE_USE_POST_SIZE_LIMIT)) {
+ (cl == NULL || to64(cl) > MONGOOSE_POST_SIZE_LIMIT)) {
send_http_error(conn, 500, "POST size > %zu",
- (size_t) MONGOOSE_USE_POST_SIZE_LIMIT);
+ (size_t) MONGOOSE_POST_SIZE_LIMIT);
}
}
#endif
#else
send_http_error(conn, 501, NULL);
#endif // !MONGOOSE_NO_CGI
+#ifndef MONGOOSE_NO_SSI
+ } else if (match_prefix(conn->server->config_options[SSI_PATTERN],
+ strlen(conn->server->config_options[SSI_PATTERN]),
+ path) > 0) {
+ handle_ssi_request(conn, path);
+#endif
} else if (is_not_modified(conn, &st)) {
send_http_error(conn, 304, NULL);
} else if ((conn->endpoint.fd = open(path, O_RDONLY | O_BINARY)) != -1) {
const char *expect_hdr = mg_get_header(&conn->mg_conn, "Expect");
if (expect_hdr != NULL && !mg_strcasecmp(expect_hdr, "100-continue")) {
- spool(&conn->remote_iobuf, expect_response, sizeof(expect_response) - 1);
+ ns_send(conn->ns_conn, expect_response, sizeof(expect_response) - 1);
}
}
return uri[0] == '/' || (uri[0] == '*' && uri[1] == '\0');
}
-static void try_http_parse_and_set_content_length(struct connection *conn) {
- struct iobuf *io = &conn->local_iobuf;
+static void try_parse(struct connection *conn) {
+ struct iobuf *io = &conn->ns_conn->recv_iobuf;
if (conn->request_len == 0 &&
(conn->request_len = get_request_len(io->buf, io->len)) > 0) {
conn->request = (char *) malloc(conn->request_len);
memcpy(conn->request, io->buf, conn->request_len);
DBG(("%p [%.*s]", conn, conn->request_len, conn->request));
- discard_leading_iobuf_bytes(io, conn->request_len);
+ iobuf_remove(io, conn->request_len);
conn->request_len = parse_http_message(conn->request, conn->request_len,
&conn->mg_conn);
if (conn->request_len > 0) {
}
static void process_request(struct connection *conn) {
- struct iobuf *io = &conn->local_iobuf;
+ struct iobuf *io = &conn->ns_conn->recv_iobuf;
- try_http_parse_and_set_content_length(conn);
- DBG(("%p %d %d %d [%.*s]", conn, conn->request_len, io->len, conn->flags,
- io->len, io->buf));
+ try_parse(conn);
+ DBG(("%p %d %d %d [%.*s]", conn, conn->request_len, io->len,
+ conn->ns_conn->flags, io->len, io->buf));
if (conn->request_len < 0 ||
(conn->request_len > 0 && !is_valid_uri(conn->mg_conn.uri))) {
send_http_error(conn, 400, NULL);
#endif
}
-static void call_http_client_handler(struct connection *conn, int code) {
- conn->mg_conn.status_code = code;
+static void call_http_client_handler(struct connection *conn) {
+ //conn->mg_conn.status_code = code;
// For responses without Content-Lengh, use the whole buffer
- if (conn->cl == 0 && code == MG_DOWNLOAD_SUCCESS) {
- conn->mg_conn.content_len = conn->local_iobuf.len;
+ if (conn->cl == 0) {
+ conn->mg_conn.content_len = conn->ns_conn->recv_iobuf.len;
}
- conn->mg_conn.content = conn->local_iobuf.buf;
- if (conn->handler(&conn->mg_conn) || code == MG_CONNECT_FAILURE ||
- code == MG_DOWNLOAD_FAILURE) {
- conn->flags |= CONN_CLOSE;
+ conn->mg_conn.content = conn->ns_conn->recv_iobuf.buf;
+ if (call_user(conn, MG_REPLY) == MG_FALSE) {
+ conn->ns_conn->flags |= NSF_CLOSE_IMMEDIATELY;
}
- discard_leading_iobuf_bytes(&conn->local_iobuf, conn->mg_conn.content_len);
- conn->flags = conn->mg_conn.status_code = 0;
+ iobuf_remove(&conn->ns_conn->recv_iobuf, conn->mg_conn.content_len);
+ conn->mg_conn.status_code = 0;
conn->cl = conn->num_bytes_sent = conn->request_len = 0;
free(conn->request);
conn->request = NULL;
}
static void process_response(struct connection *conn) {
- struct iobuf *io = &conn->local_iobuf;
+ struct iobuf *io = &conn->ns_conn->recv_iobuf;
- try_http_parse_and_set_content_length(conn);
+ try_parse(conn);
DBG(("%p %d %d [%.*s]", conn, conn->request_len, io->len,
io->len > 40 ? 40 : io->len, io->buf));
if (conn->request_len < 0 ||
(conn->request_len == 0 && io->len > MAX_REQUEST_SIZE)) {
- call_http_client_handler(conn, MG_DOWNLOAD_FAILURE);
+ call_http_client_handler(conn);
+ } else if (io->len >= conn->cl) {
+ call_http_client_handler(conn);
}
- if (io->len >= conn->cl) {
- call_http_client_handler(conn, MG_DOWNLOAD_SUCCESS);
- }
-}
-
-static void read_from_socket(struct connection *conn) {
- char buf[IOBUF_SIZE];
- int n = 0;
-
- if (conn->endpoint_type == EP_CLIENT && conn->flags & CONN_CONNECTING) {
- callback_http_client_on_connect(conn);
- return;
- }
-
-#ifdef MONGOOSE_USE_SSL
- if (conn->ssl != NULL) {
- if (conn->flags & CONN_SSL_HANDS_SHAKEN) {
- n = SSL_read(conn->ssl, buf, sizeof(buf));
- } else {
- if (SSL_accept(conn->ssl) == 1) {
- conn->flags |= CONN_SSL_HANDS_SHAKEN;
- }
- return;
- }
- } else
-#endif
- {
- n = recv(conn->client_sock, buf, sizeof(buf), 0);
- }
-
- DBG(("%p %d %d (1)", conn, n, conn->flags));
- if (is_error(n)) {
- if (conn->endpoint_type == EP_CLIENT && conn->local_iobuf.len > 0) {
- call_http_client_handler(conn, MG_DOWNLOAD_SUCCESS);
- }
- conn->flags |= CONN_CLOSE;
- } else if (n > 0) {
- spool(&conn->local_iobuf, buf, n);
- if (conn->endpoint_type == EP_CLIENT) {
- process_response(conn);
- } else {
- process_request(conn);
- }
- }
- DBG(("%p %d %d (2)", conn, n, conn->flags));
}
-int mg_connect(struct mg_server *server, const char *host, int port,
- int use_ssl, mg_handler_t handler, void *param) {
- sock_t sock = INVALID_SOCKET;
- struct sockaddr_in sin;
- struct hostent *he = NULL;
- struct connection *conn = NULL;
- int connect_ret_val;
-
- if (host == NULL || (he = gethostbyname(host)) == NULL ||
- (sock = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) return 0;
-#ifndef MONGOOSE_USE_SSL
- if (use_ssl) return 0;
-#endif
+struct mg_connection *mg_connect(struct mg_server *server, const char *host,
+ int port, int use_ssl) {
+ struct ns_connection *nsconn;
+ struct connection *conn;
- sin.sin_family = AF_INET;
- sin.sin_port = htons((uint16_t) port);
- sin.sin_addr = * (struct in_addr *) he->h_addr_list[0];
- set_non_blocking_mode(sock);
+ nsconn = ns_connect(&server->ns_server, host, port, use_ssl, NULL);
+ if (nsconn == NULL) return 0;
- connect_ret_val = connect(sock, (struct sockaddr *) &sin, sizeof(sin));
- if (is_error(connect_ret_val)) {
- return 0;
- } else if ((conn = (struct connection *) calloc(1, sizeof(*conn))) == NULL) {
- closesocket(sock);
+ if ((conn = (struct connection *) calloc(1, sizeof(*conn))) == NULL) {
+ nsconn->flags |= NSF_CLOSE_IMMEDIATELY;
return 0;
}
+ // Interlink two structs
+ conn->ns_conn = nsconn;
+ nsconn->connection_data = conn;
+
conn->server = server;
- conn->client_sock = sock;
conn->endpoint_type = EP_CLIENT;
- conn->handler = handler;
- conn->mg_conn.server_param = server->server_data;
- conn->mg_conn.connection_param = param;
- conn->birth_time = conn->last_activity_time = time(NULL);
- conn->flags = CONN_CONNECTING;
- conn->mg_conn.status_code = MG_CONNECT_FAILURE;
-#ifdef MONGOOSE_USE_SSL
- if (use_ssl && (conn->ssl = SSL_new(server->client_ssl_ctx)) != NULL) {
- SSL_set_fd(conn->ssl, sock);
- }
-#endif
- LINKED_LIST_ADD_TO_FRONT(&server->active_connections, &conn->link);
- DBG(("%p %s:%d", conn, host, port));
+ //conn->handler = handler;
+ conn->mg_conn.server_param = server->ns_server.server_data;
+ conn->ns_conn->flags = NSF_CONNECTING;
- return 1;
+ return &conn->mg_conn;
}
#ifndef MONGOOSE_NO_LOGGING
const struct mg_connection *c = &conn->mg_conn;
FILE *fp = (path == NULL) ? NULL : fopen(path, "a+");
char date[64], user[100];
+ time_t now;
if (fp == NULL) return;
- strftime(date, sizeof(date), "%d/%b/%Y:%H:%M:%S %z",
- localtime(&conn->birth_time));
+ now = time(NULL);
+ strftime(date, sizeof(date), "%d/%b/%Y:%H:%M:%S %z", localtime(&now));
flockfile(fp);
mg_parse_header(mg_get_header(&conn->mg_conn, "Authorization"), "username",
user, sizeof(user));
- fprintf(fp, "%s - %s [%s] \"%s %s HTTP/%s\" %d %" INT64_FMT,
+ fprintf(fp, "%s - %s [%s] \"%s %s%s%s HTTP/%s\" %d %" INT64_FMT,
c->remote_ip, user[0] == '\0' ? "-" : user, date,
c->request_method ? c->request_method : "-",
- c->uri ? c->uri : "-", c->http_version,
- c->status_code, conn->num_bytes_sent);
+ c->uri ? c->uri : "-", c->query_string ? "?" : "",
+ c->query_string ? c->query_string : "",
+ c->http_version, c->status_code, conn->num_bytes_sent);
log_header(c, "Referer", fp);
log_header(c, "User-Agent", fp);
fputc('\n', fp);
// Must be done before free()
int keep_alive = should_keep_alive(&conn->mg_conn) &&
(conn->endpoint_type == EP_FILE || conn->endpoint_type == EP_USER);
- DBG(("%p %d %d %d", conn, conn->endpoint_type, keep_alive, conn->flags));
+ DBG(("%p %d %d %d", conn, conn->endpoint_type, keep_alive,
+ conn->ns_conn->flags));
switch (conn->endpoint_type) {
- case EP_PUT: close(conn->endpoint.fd); break;
- case EP_FILE: close(conn->endpoint.fd); break;
- case EP_CGI: closesocket(conn->endpoint.cgi_sock); break;
+ case EP_PUT:
+ case EP_FILE:
+ close(conn->endpoint.fd);
+ break;
+ case EP_CGI:
+ if (conn->endpoint.cgi_conn != NULL) {
+ conn->endpoint.cgi_conn->flags |= NSF_CLOSE_IMMEDIATELY;
+ conn->endpoint.cgi_conn->connection_data = NULL;
+ }
+ break;
default: break;
}
#endif
// Gobble possible POST data sent to the URI handler
- discard_leading_iobuf_bytes(&conn->local_iobuf, conn->mg_conn.content_len);
+ iobuf_remove(&conn->ns_conn->recv_iobuf, conn->mg_conn.content_len);
conn->endpoint_type = EP_NONE;
- conn->cl = conn->num_bytes_sent = conn->request_len = conn->flags = 0;
+ conn->cl = conn->num_bytes_sent = conn->request_len = 0;
+ conn->ns_conn->flags &= ~(NSF_FINISHED_SENDING_DATA |
+ NSF_BUFFER_BUT_DONT_SEND | NSF_CLOSE_IMMEDIATELY |
+ MG_HEADERS_SENT | MG_LONG_RUNNING);
c->request_method = c->uri = c->http_version = c->query_string = NULL;
c->num_headers = c->status_code = c->is_websocket = c->content_len = 0;
- free(conn->request);
- conn->request = NULL;
+ free(conn->request); conn->request = NULL;
+ free(conn->path_info); conn->path_info = NULL;
if (keep_alive) {
process_request(conn); // Can call us recursively if pipelining is used
} else {
- conn->flags |= conn->remote_iobuf.len == 0 ? CONN_CLOSE : CONN_SPOOL_DONE;
+ conn->ns_conn->flags |= conn->ns_conn->send_iobuf.len == 0 ?
+ NSF_CLOSE_IMMEDIATELY : NSF_FINISHED_SENDING_DATA;
}
}
int n = read(conn->endpoint.fd, buf, conn->cl < (int64_t) sizeof(buf) ?
(int) conn->cl : (int) sizeof(buf));
- if (is_error(n)) {
+ if (n <= 0) {
close_local_endpoint(conn);
} else if (n > 0) {
conn->cl -= n;
- spool(&conn->remote_iobuf, buf, n);
+ ns_send(conn->ns_conn, buf, n);
if (conn->cl <= 0) {
close_local_endpoint(conn);
}
}
}
-static void execute_iteration(struct mg_server *server) {
- struct ll *lp, *tmp;
- struct connection *conn;
- union { mg_handler_t f; void *p; } msg[2];
-
- recv(server->ctl[1], (void *) msg, sizeof(msg), 0);
- LINKED_LIST_FOREACH(&server->active_connections, lp, tmp) {
- conn = LINKED_LIST_ENTRY(lp, struct connection, link);
- conn->mg_conn.connection_param = msg[1].p;
- msg[0].f(&conn->mg_conn);
- }
-}
-
-void add_to_set(sock_t sock, fd_set *set, sock_t *max_fd) {
- FD_SET(sock, set);
- if (sock > *max_fd) {
- *max_fd = sock;
- }
-}
-
-unsigned int mg_poll_server(struct mg_server *server, int milliseconds) {
- struct ll *lp, *tmp;
- struct connection *conn;
- struct timeval tv;
- fd_set read_set, write_set;
- sock_t max_fd = -1;
- time_t current_time = time(NULL), expire_time = current_time -
- MONGOOSE_USE_IDLE_TIMEOUT_SECONDS;
-
- if (server->listening_sock == INVALID_SOCKET) return 0;
-
- FD_ZERO(&read_set);
- FD_ZERO(&write_set);
- add_to_set(server->listening_sock, &read_set, &max_fd);
- add_to_set(server->ctl[1], &read_set, &max_fd);
-
- LINKED_LIST_FOREACH(&server->active_connections, lp, tmp) {
- conn = LINKED_LIST_ENTRY(lp, struct connection, link);
- add_to_set(conn->client_sock, &read_set, &max_fd);
- if (conn->endpoint_type == EP_CLIENT && (conn->flags & CONN_CONNECTING)) {
- add_to_set(conn->client_sock, &write_set, &max_fd);
- }
- if (conn->endpoint_type == EP_FILE) {
- transfer_file_data(conn);
- } else if (conn->endpoint_type == EP_CGI) {
- add_to_set(conn->endpoint.cgi_sock, &read_set, &max_fd);
- }
- if (conn->remote_iobuf.len > 0 && !(conn->flags & CONN_BUFFER)) {
- add_to_set(conn->client_sock, &write_set, &max_fd);
- } else if (conn->flags & CONN_CLOSE) {
- close_conn(conn);
- }
- }
-
- tv.tv_sec = milliseconds / 1000;
- tv.tv_usec = (milliseconds % 1000) * 1000;
-
- if (select(max_fd + 1, &read_set, &write_set, NULL, &tv) > 0) {
- if (FD_ISSET(server->ctl[1], &read_set)) {
- execute_iteration(server);
- }
-
- // Accept new connections
- if (FD_ISSET(server->listening_sock, &read_set)) {
- while ((conn = accept_new_connection(server)) != NULL) {
- conn->birth_time = conn->last_activity_time = current_time;
- }
- }
-
- // Read/write from clients
- LINKED_LIST_FOREACH(&server->active_connections, lp, tmp) {
- conn = LINKED_LIST_ENTRY(lp, struct connection, link);
- if (FD_ISSET(conn->client_sock, &read_set)) {
- conn->last_activity_time = current_time;
- read_from_socket(conn);
- }
-#ifndef MONGOOSE_NO_CGI
- if (conn->endpoint_type == EP_CGI &&
- FD_ISSET(conn->endpoint.cgi_sock, &read_set)) {
- read_from_cgi(conn);
- }
-#endif
- if (FD_ISSET(conn->client_sock, &write_set)) {
- if (conn->endpoint_type == EP_CLIENT &&
- (conn->flags & CONN_CONNECTING)) {
- read_from_socket(conn);
- } else if (!(conn->flags & CONN_BUFFER)) {
- conn->last_activity_time = current_time;
- write_to_socket(conn);
- }
- }
- }
- }
-
- // Close expired connections and those that need to be closed
- LINKED_LIST_FOREACH(&server->active_connections, lp, tmp) {
- conn = LINKED_LIST_ENTRY(lp, struct connection, link);
- if (conn->mg_conn.is_websocket) {
- ping_idle_websocket_connection(conn, current_time);
- }
- if (conn->flags & CONN_LONG_RUNNING) {
- conn->mg_conn.wsbits = conn->flags & CONN_CLOSE ? 1 : 0;
- if (call_request_handler(conn) == MG_REQUEST_PROCESSED) {
- conn->flags |= CONN_CLOSE;
- }
- }
- if (conn->flags & CONN_CLOSE || conn->last_activity_time < expire_time) {
- close_conn(conn);
- }
- }
-
- return (unsigned int) current_time;
+int mg_poll_server(struct mg_server *server, int milliseconds) {
+ return ns_server_poll(&server->ns_server, milliseconds);
}
void mg_destroy_server(struct mg_server **server) {
- int i;
- struct ll *lp, *tmp;
-
if (server != NULL && *server != NULL) {
struct mg_server *s = *server;
- // Do one last poll, see https://github.com/cesanta/mongoose/issues/286
- mg_poll_server(s, 0);
- closesocket(s->listening_sock);
- closesocket(s->ctl[0]);
- closesocket(s->ctl[1]);
- LINKED_LIST_FOREACH(&s->active_connections, lp, tmp) {
- close_conn(LINKED_LIST_ENTRY(lp, struct connection, link));
- }
+ int i;
+
+ ns_server_free(&s->ns_server);
for (i = 0; i < (int) ARRAY_SIZE(s->config_options); i++) {
free(s->config_options[i]); // It is OK to free(NULL)
}
-#ifdef MONGOOSE_USE_SSL
- if (s->ssl_ctx != NULL) SSL_CTX_free((*server)->ssl_ctx);
- if (s->client_ssl_ctx != NULL) SSL_CTX_free(s->client_ssl_ctx);
-#endif
free(s);
*server = NULL;
}
}
+struct mg_iterator {
+ mg_handler_t cb;
+ void *param;
+};
+union variant { mg_handler_t cb; void *p; };
+
+static void iter(struct ns_connection *nsconn, enum ns_event ev, void *param) {
+ if (ev == NS_POLL) {
+ union variant *variant = (union variant *) param;
+ struct connection *c = (struct connection *) nsconn->connection_data;
+ variant->cb(&c->mg_conn, MG_POLL);
+ }
+}
+
// Apply function to all active connections.
-void mg_iterate_over_connections(struct mg_server *server, mg_handler_t handler,
- void *param) {
- // Send closure (function + parameter) to the IO thread to execute
- union { mg_handler_t f; void *p; } msg[2];
- msg[0].f = handler;
- msg[1].p = param;
- send(server->ctl[0], (void *) msg, sizeof(msg), 0);
+void mg_iterate_over_connections(struct mg_server *server, mg_handler_t cb) {
+ union variant variant = { cb };
+ ns_iterate(&server->ns_server, iter, &variant);
}
static int get_var(const char *data, size_t data_len, const char *name,
}
}
-// Valid listening port spec is: [ip_address:]port, e.g. "80", "127.0.0.1:3128"
-static int parse_port_string(const char *str, union socket_address *sa) {
- unsigned int a, b, c, d, port;
- int len = 0;
-#ifdef MONGOOSE_USE_IPV6
- char buf[100];
-#endif
-
- // MacOS needs that. If we do not zero it, subsequent bind() will fail.
- // Also, all-zeroes in the socket address means binding to all addresses
- // for both IPv4 and IPv6 (INADDR_ANY and IN6ADDR_ANY_INIT).
- memset(sa, 0, sizeof(*sa));
- sa->sin.sin_family = AF_INET;
-
- if (sscanf(str, "%u.%u.%u.%u:%u%n", &a, &b, &c, &d, &port, &len) == 5) {
- // Bind to a specific IPv4 address, e.g. 192.168.1.5:8080
- sa->sin.sin_addr.s_addr = htonl((a << 24) | (b << 16) | (c << 8) | d);
- sa->sin.sin_port = htons((uint16_t) port);
-#if defined(MONGOOSE_USE_IPV6)
- } else if (sscanf(str, "[%49[^]]]:%u%n", buf, &port, &len) == 2 &&
- inet_pton(AF_INET6, buf, &sa->sin6.sin6_addr)) {
- // IPv6 address, e.g. [3ffe:2a00:100:7031::1]:8080
- sa->sin6.sin6_family = AF_INET6;
- sa->sin6.sin6_port = htons((uint16_t) port);
-#endif
- } else if (sscanf(str, "%u%n", &port, &len) == 1) {
- // If only port is specified, bind to IPv4, INADDR_ANY
- sa->sin.sin_port = htons((uint16_t) port);
- } else {
- port = 0; // Parsing failure. Make port invalid.
- }
-
- return port <= 0xffff && str[len] == '\0';
-}
-
const char *mg_set_option(struct mg_server *server, const char *name,
const char *value) {
int ind = get_option_index(name);
DBG(("%s [%s]", name, value));
if (ind == LISTENING_PORT) {
- if (server->listening_sock != INVALID_SOCKET) {
- closesocket(server->listening_sock);
- }
- parse_port_string(server->config_options[LISTENING_PORT], &server->lsa);
- server->listening_sock = open_listening_socket(&server->lsa);
- if (server->listening_sock == INVALID_SOCKET) {
+ int port = ns_bind(&server->ns_server, value);
+ if (port < 0) {
error_msg = "Cannot bind to port";
} else {
sockaddr_to_string(server->local_ip, sizeof(server->local_ip),
- &server->lsa);
+ &server->ns_server.listening_sa);
if (!strcmp(value, "0")) {
char buf[10];
- mg_snprintf(buf, sizeof(buf), "%d",
- (int) ntohs(server->lsa.sin.sin_port));
+ mg_snprintf(buf, sizeof(buf), "%d", port);
free(server->config_options[ind]);
server->config_options[ind] = mg_strdup(buf);
}
error_msg = "setuid() failed";
}
#endif
-#ifdef MONGOOSE_USE_SSL
+#ifdef NS_ENABLE_SSL
} else if (ind == SSL_CERTIFICATE) {
- //SSL_library_init();
- if ((server->ssl_ctx = SSL_CTX_new(SSLv23_server_method())) == NULL) {
+ int res = ns_set_ssl_cert(&server->ns_server, value);
+ if (res == -2) {
+ error_msg = "Cannot load PEM";
+ } else if (res == -3) {
+ error_msg = "SSL not enabled";
+ } else if (res == -1) {
error_msg = "SSL_CTX_new() failed";
- } else if (SSL_CTX_use_certificate_file(server->ssl_ctx, value, 1) == 0 ||
- SSL_CTX_use_PrivateKey_file(server->ssl_ctx, value, 1) == 0) {
- error_msg = "Cannot load PEM file";
- } else {
- SSL_CTX_use_certificate_chain_file(server->ssl_ctx, value);
}
#endif
}
return error_msg;
}
-void mg_set_request_handler(struct mg_server *server, mg_handler_t handler) {
- server->request_handler = handler;
+static void on_accept(struct ns_connection *nc, union socket_address *sa) {
+ struct mg_server *server = (struct mg_server *) nc->server;
+ struct connection *conn;
+
+ if (!check_acl(server->config_options[ACCESS_CONTROL_LIST],
+ ntohl(* (uint32_t *) &sa->sin.sin_addr)) ||
+ (conn = (struct connection *) calloc(1, sizeof(*conn))) == NULL) {
+ nc->flags |= NSF_CLOSE_IMMEDIATELY;
+ } else {
+ conn->server = (struct mg_server *) nc->server;
+ sockaddr_to_string(conn->mg_conn.remote_ip,
+ sizeof(conn->mg_conn.remote_ip), sa);
+ conn->mg_conn.remote_port = ntohs(sa->sin.sin_port);
+ conn->mg_conn.server_param = nc->server->server_data;
+ conn->mg_conn.local_ip = server->local_ip;
+ conn->mg_conn.local_port =
+ ntohs(server->ns_server.listening_sa.sin.sin_port);
+
+ // Circularly link two connection structures
+ nc->connection_data = conn;
+ conn->ns_conn = nc;
+ }
}
-void mg_set_http_error_handler(struct mg_server *server, mg_handler_t handler) {
- server->error_handler = handler;
+static void mg_ev_handler(struct ns_connection *nc, enum ns_event ev, void *p) {
+ struct connection *conn = (struct connection *) nc->connection_data;
+
+ switch (ev) {
+ case NS_ACCEPT:
+ on_accept(nc, (union socket_address *) p);
+ break;
+
+ case NS_CONNECT:
+ conn->mg_conn.status_code = * (int *) p;
+ if (conn->mg_conn.status_code != 0 ||
+ call_user(conn, MG_CONNECT) == MG_FALSE) {
+ nc->flags |= NSF_CLOSE_IMMEDIATELY;
+ }
+ break;
+
+ case NS_RECV:
+ if (nc->flags & NSF_ACCEPTED) {
+ process_request(conn);
+#ifndef MONGOOSE_NO_CGI
+ } else if (nc->flags & MG_CGI_CONN) {
+ on_cgi_data(nc);
+#endif
+ } else {
+ process_response(conn);
+ }
+ break;
+
+ case NS_SEND:
+ break;
+
+ case NS_CLOSE:
+ nc->connection_data = NULL;
+ if ((nc->flags & MG_CGI_CONN) && conn && conn->ns_conn) {
+ conn->ns_conn->flags &= ~NSF_BUFFER_BUT_DONT_SEND;
+ conn->ns_conn->flags |= conn->ns_conn->send_iobuf.len > 0 ?
+ NSF_FINISHED_SENDING_DATA : NSF_CLOSE_IMMEDIATELY;
+ conn->endpoint.cgi_conn = NULL;
+ } else if (conn != NULL) {
+ DBG(("%p %d closing", conn, conn->endpoint_type));
+
+ if (conn->endpoint_type == EP_CLIENT && nc->recv_iobuf.len > 0) {
+ call_http_client_handler(conn);
+ }
+
+ call_user(conn, MG_CLOSE);
+ close_local_endpoint(conn);
+ free(conn);
+ }
+ break;
+
+ case NS_POLL:
+ if (call_user(conn, MG_POLL) == MG_TRUE) {
+ nc->flags |= NSF_FINISHED_SENDING_DATA;
+ }
+
+ if (conn != NULL && conn->endpoint_type == EP_FILE) {
+ transfer_file_data(conn);
+ }
+
+ // Expire idle connections
+ {
+ time_t current_time = * (time_t *) p;
+
+ if (conn != NULL && conn->mg_conn.is_websocket) {
+ ping_idle_websocket_connection(conn, current_time);
+ }
+
+ if (nc->last_io_time + MONGOOSE_IDLE_TIMEOUT_SECONDS < current_time) {
+ mg_ev_handler(nc, NS_CLOSE, NULL);
+ nc->flags |= NSF_CLOSE_IMMEDIATELY;
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
}
-void mg_set_auth_handler(struct mg_server *server, mg_handler_t handler) {
- server->auth_handler = handler;
+void mg_wakeup_server(struct mg_server *server) {
+ ns_server_wakeup(&server->ns_server);
}
void mg_set_listening_socket(struct mg_server *server, int sock) {
- if (server->listening_sock != INVALID_SOCKET) {
- closesocket(server->listening_sock);
+ if (server->ns_server.listening_sock != INVALID_SOCKET) {
+ closesocket(server->ns_server.listening_sock);
}
- server->listening_sock = (sock_t) sock;
+ server->ns_server.listening_sock = (sock_t) sock;
}
int mg_get_listening_socket(struct mg_server *server) {
- return server->listening_sock;
+ return server->ns_server.listening_sock;
}
const char *mg_get_option(const struct mg_server *server, const char *name) {
return i == -1 ? NULL : opts[i] == NULL ? "" : opts[i];
}
-struct mg_server *mg_create_server(void *server_data) {
+struct mg_server *mg_create_server(void *server_data, mg_handler_t handler) {
struct mg_server *server = (struct mg_server *) calloc(1, sizeof(*server));
-
-#ifdef _WIN32
- WSADATA data;
- WSAStartup(MAKEWORD(2, 2), &data);
-#else
- // Ignore SIGPIPE signal, so if browser cancels the request, it
- // won't kill the whole process.
- signal(SIGPIPE, SIG_IGN);
-#endif
-
- LINKED_LIST_INIT(&server->active_connections);
-
- // Create control socket pair. Do it in a loop to protect from
- // interrupted syscalls in mg_socketpair().
- do {
- mg_socketpair(server->ctl);
- } while (server->ctl[0] == INVALID_SOCKET);
-
-#ifdef MONGOOSE_USE_SSL
- SSL_library_init();
- server->client_ssl_ctx = SSL_CTX_new(SSLv23_client_method());
-#endif
-
- server->server_data = server_data;
- server->listening_sock = INVALID_SOCKET;
+ ns_server_init(&server->ns_server, server_data, mg_ev_handler);
set_default_option_values(server->config_options);
-
+ server->event_handler = handler;
return server;
}
projects / flightgear.git / commitdiff